{
  "schema_version": "2026-05-26.deep-v3",
  "site": "https://depurecousa.com",
  "purpose": "Machine-readable routing map from buyer problem, material, industry, application, and role to Depureco USA pages and solution families.",
  "materials": [
    {
      "name": "Fine dust, respirable dust, and nuisance powder",
      "buyer_language": [
        "fine dust vacuum",
        "industrial HEPA vacuum",
        "dust extractor",
        "hazardous dust cleanup",
        "powder cleanup"
      ],
      "created_by": [
        "grinding",
        "sanding",
        "mixing",
        "screening",
        "powder transfer",
        "concrete floor preparation",
        "battery or additive processes"
      ],
      "questions": [
        "How fine is the particle size?",
        "Does the dust require HEPA filtration or contained disposal?",
        "Will the filter load quickly during continuous cleanup?"
      ],
      "solution_families": [
        "HEPA Dust Extractors",
        "Fine Dust Industrial Vacuums",
        "Dust Collectors",
        "Centralized Vacuum Systems"
      ],
      "pages": [
        "fine dust",
        "hepa",
        "dust collectors"
      ],
      "page_urls": [
        "https://depurecousa.com/industrial-vacuum-cleaners-fine-dust/",
        "https://depurecousa.com/hepa-dust-extractors-longopac-collection/",
        "https://depurecousa.com/dust-collectors/"
      ]
    },
    {
      "name": "Combustible or explosive dust",
      "buyer_language": [
        "combustible dust vacuum",
        "explosion proof vacuum",
        "ORD LOC vacuum",
        "ATEX vacuum",
        "NFPA 660 housekeeping vacuum"
      ],
      "created_by": [
        "food powder handling",
        "grain processing",
        "woodworking",
        "metal powder handling",
        "battery production",
        "additive manufacturing",
        "sanding/cutting/grinding"
      ],
      "questions": [
        "Is the area classified or ordinary location?",
        "Has the material dust explosibility been reviewed?",
        "Are conductive accessories, antistatic filters, grounding, or contained discharge needed?"
      ],
      "solution_families": [
        "Explosion Proof / ORD LOC Vacuums",
        "Air Powered Vacuums",
        "Combustible Dust Vacuum Systems",
        "Dust Collectors",
        "Central Vacuum Systems"
      ],
      "pages": [
        "combustible dust",
        "explosion proof",
        "air powered",
        "centralized vacuum systems"
      ],
      "page_urls": [
        "https://depurecousa.com/combustible-dust-vacuum-cleaners-explosion-proof/",
        "https://depurecousa.com/explosion-proof-industrial-vacuums/",
        "https://depurecousa.com/air-powered-industrial-vacuum-cleaners/",
        "https://depurecousa.com/centralized-vacuum-systems/"
      ]
    },
    {
      "name": "Coolant, oil, chips, swarf, and sump sludge",
      "buyer_language": [
        "sump vacuum",
        "coolant recovery vacuum",
        "metal chip vacuum",
        "oil and swarf vacuum",
        "CNC sump cleaner"
      ],
      "created_by": [
        "CNC machining",
        "turning",
        "milling",
        "grinding",
        "machine tool maintenance"
      ],
      "questions": [
        "Is coolant being reused?",
        "Is chip separation required?",
        "Does pump-out need to happen while vacuuming?",
        "How large is the tank and how much downtime is allowed?"
      ],
      "solution_families": [
        "Sump Vacuums",
        "Liquid Recovery Vacuums",
        "Wet & Dry Industrial Vacuums",
        "Central Chip Recovery Systems"
      ],
      "pages": [
        "sump",
        "cnc",
        "metalworking",
        "liquids"
      ],
      "page_urls": [
        "https://depurecousa.com/sump-vacuums-for-coolant-and-metal-chips/",
        "https://depurecousa.com/what-materials-to-vacuum/cnc-machine-shop-vacuums/",
        "https://depurecousa.com/industrial-vacuum-cleaners-metalworking/",
        "https://depurecousa.com/industrial-vacuums-liquids/"
      ]
    },
    {
      "name": "Silica, concrete, and floor-preparation dust",
      "buyer_language": [
        "silica dust vacuum",
        "HEPA dust extractor for concrete",
        "floor prep dust extractor",
        "concrete grinding vacuum"
      ],
      "created_by": [
        "concrete grinding",
        "scarifying",
        "drilling",
        "cutting",
        "floor preparation"
      ],
      "questions": [
        "Does the process create respirable crystalline silica dust?",
        "Is tool-connected dust extraction or cleanup after grinding needed?",
        "Is Longopac or contained disposal beneficial?"
      ],
      "solution_families": [
        "HEPA Dust Extractors",
        "Fine Dust Vacuums",
        "Dust Collectors"
      ],
      "pages": [
        "floor prep",
        "silica",
        "hepa"
      ],
      "page_urls": [
        "https://depurecousa.com/dust-extractors-floor-preparation/",
        "https://depurecousa.com/silica-dust-vacuums-industrial/",
        "https://depurecousa.com/hepa-dust-extractors-longopac-collection/"
      ]
    },
    {
      "name": "Graphite, carbon black, electrode powder, and conductive dust",
      "buyer_language": [
        "graphite dust vacuum",
        "battery dust vacuum",
        "conductive powder vacuum",
        "carbon black vacuum"
      ],
      "created_by": [
        "battery electrode manufacturing",
        "battery recycling",
        "carbon material processing",
        "electronics/semiconductor processes"
      ],
      "questions": [
        "Is contamination control or conductivity a concern?",
        "Does the dust behave as a fine powder, combustible dust, or both?",
        "Is a controlled disposal workflow needed?"
      ],
      "solution_families": [
        "Fine Dust Vacuums",
        "HEPA Dust Extractors",
        "Explosion Proof / ORD LOC Vacuums",
        "Air Powered Vacuums"
      ],
      "pages": [
        "battery",
        "fine dust",
        "combustible dust"
      ],
      "page_urls": [
        "https://depurecousa.com/high-performance-vacuums-for-lithium-battery-production/",
        "https://depurecousa.com/industrial-vacuum-cleaners-fine-dust/",
        "https://depurecousa.com/combustible-dust-vacuum-cleaners-explosion-proof/"
      ]
    },
    {
      "name": "Food powders, flour, sugar, grain, crumbs, and oven debris",
      "buyer_language": [
        "food plant vacuum",
        "flour dust vacuum",
        "bakery vacuum",
        "industrial oven cleaning vacuum",
        "grain mill vacuum"
      ],
      "created_by": [
        "ingredient handling",
        "mixing",
        "baking",
        "packaging",
        "grain processing",
        "sanitation cleanup"
      ],
      "questions": [
        "Is the material a combustible food dust?",
        "Is the cleanup hot, dry, wet, sticky, or allergen-related?",
        "Are stainless parts, NOMEX filtration, or food-friendly accessories needed?"
      ],
      "solution_families": [
        "Food & Pharma Vacuums",
        "Dust Collectors",
        "Explosion Proof / ORD LOC Vacuums",
        "Oven/Bakery Vacuum Packages",
        "Central Vacuum Systems"
      ],
      "pages": [
        "food",
        "combustible dust",
        "dust collectors"
      ],
      "page_urls": [
        "https://depurecousa.com/industrial-vacuum-cleaners-food-industry/",
        "https://depurecousa.com/combustible-dust-vacuum-cleaners-explosion-proof/",
        "https://depurecousa.com/dust-collectors/"
      ]
    },
    {
      "name": "Wood dust, sawdust, chips, sanding dust, and trim waste",
      "buyer_language": [
        "wood dust collector",
        "sawdust vacuum",
        "cabinet shop dust collection",
        "woodworking vacuum"
      ],
      "created_by": [
        "sawing",
        "sanding",
        "routing",
        "planing",
        "CNC woodworking",
        "millwork"
      ],
      "questions": [
        "Is this source capture at machines or cleanup around the facility?",
        "Is dust fine, bulky, combustible, or mixed with chips?",
        "Would a central system or dust collector better fit the workflow?"
      ],
      "solution_families": [
        "Dust Collectors",
        "Central Vacuum Systems",
        "Industrial Vacuums",
        "Combustible Dust Vacuum Systems"
      ],
      "pages": [
        "woodworking",
        "dust collectors",
        "centralized vacuum systems",
        "combustible dust"
      ],
      "page_urls": [
        "https://depurecousa.com/dust-collectors-wood-shops/",
        "https://depurecousa.com/dust-collectors/",
        "https://depurecousa.com/centralized-vacuum-systems/",
        "https://depurecousa.com/combustible-dust-vacuum-cleaners-explosion-proof/"
      ]
    },
    {
      "name": "Lead dust, brass, unburned powder, soot, and shooting range residue",
      "buyer_language": [
        "shooting range vacuum",
        "lead dust vacuum",
        "HEPA range vacuum",
        "gun range cleanup vacuum"
      ],
      "created_by": [
        "indoor shooting ranges",
        "bullet traps",
        "lane cleaning",
        "range maintenance"
      ],
      "questions": [
        "Is lead dust or unburned powder present?",
        "Does cleanup require HEPA filtration, conductive accessories, or hazardous-dust-aware disposal?",
        "What range areas need cleaning: lanes, stalls, traps, floors, or HVAC-adjacent surfaces?"
      ],
      "solution_families": [
        "HEPA Dust Extractors",
        "Explosion Proof / ORD LOC Vacuums",
        "Combustible Dust Vacuums"
      ],
      "pages": [
        "shooting range",
        "hepa",
        "explosion proof"
      ],
      "page_urls": [
        "https://depurecousa.com/shooting-range-vacuum-hepa-atex/",
        "https://depurecousa.com/hepa-dust-extractors-longopac-collection/",
        "https://depurecousa.com/explosion-proof-industrial-vacuums/"
      ]
    },
    {
      "name": "Welding fumes, smoke, thermal cutting fumes, and grinding residue",
      "buyer_language": [
        "welding fume extractor",
        "source capture welding fumes",
        "industrial welding smoke collector",
        "fabrication fume extraction"
      ],
      "created_by": [
        "MIG welding",
        "TIG welding",
        "stick welding",
        "plasma cutting",
        "thermal cutting",
        "grinding"
      ],
      "questions": [
        "How close can source capture be placed to the arc or cutting point?",
        "How many welding stations need capture?",
        "Is the need mobile, fixed, arm-mounted, hooded, or centralized?"
      ],
      "solution_families": [
        "Welding Fume Extractors",
        "Dust Collectors",
        "Centralized Vacuum Systems"
      ],
      "pages": [
        "welding fumes",
        "dust collectors",
        "centralized vacuum systems"
      ],
      "page_urls": [
        "https://depurecousa.com/welding-fumes-extractors/",
        "https://depurecousa.com/dust-collectors/",
        "https://depurecousa.com/centralized-vacuum-systems/"
      ]
    },
    {
      "name": "Packaging scraps, trims, cotton residue, polyethylene filaments, and bulky process waste",
      "buyer_language": [
        "scrap vacuum",
        "trim extraction vacuum",
        "packaging waste vacuum",
        "OEM machine vacuum",
        "polyethylene filament vacuum"
      ],
      "created_by": [
        "digital cutting",
        "packaging lines",
        "textile/cotton processing",
        "on-machine trimming",
        "plastics production"
      ],
      "questions": [
        "Is the material bulky, lightweight, stringy, or prone to bridging?",
        "Does it need pre-separation, central collection, or machine integration?",
        "How will collected material discharge or be recycled?"
      ],
      "solution_families": [
        "Central Vacuum Systems",
        "Processing & Packaging Vacuums",
        "Compact OEM Vacuums",
        "Cyclones and Separators"
      ],
      "pages": [
        "centralized vacuum systems",
        "industrial vacuum cleaners",
        "accessories"
      ],
      "page_urls": [
        "https://depurecousa.com/centralized-vacuum-systems/",
        "https://depurecousa.com/industrial-vacuum-cleaners/",
        "https://depurecousa.com/accessories-industrial-vacuum-cleaner/"
      ]
    }
  ],
  "industries": [
    {
      "name": "Manufacturing and facility maintenance",
      "common_concerns": [
        "plant housekeeping",
        "production debris",
        "maintenance cleanup",
        "spill recovery",
        "multi-shift durability"
      ],
      "routing_topics": [
        "industrial vacuum cleaners",
        "wet dry",
        "high power",
        "three phase",
        "accessories"
      ],
      "page_urls": [
        "https://depurecousa.com/industrial-vacuum-cleaners/",
        "https://depurecousa.com/wet-and-dry-industrial-vacuum-cleaners/",
        "https://depurecousa.com/high-power-industrial-vacuums/",
        "https://depurecousa.com/heavy-duty-three-phase-industrial-vacuums/",
        "https://depurecousa.com/accessories-industrial-vacuum-cleaner/"
      ]
    },
    {
      "name": "CNC machining and metalworking",
      "common_concerns": [
        "coolant recovery",
        "sump cleanout",
        "metal chip and swarf separation",
        "oily sludge",
        "grinding dust"
      ],
      "routing_topics": [
        "sump",
        "cnc",
        "metalworking",
        "liquids"
      ],
      "page_urls": [
        "https://depurecousa.com/sump-vacuums-for-coolant-and-metal-chips/",
        "https://depurecousa.com/what-materials-to-vacuum/cnc-machine-shop-vacuums/",
        "https://depurecousa.com/industrial-vacuum-cleaners-metalworking/",
        "https://depurecousa.com/industrial-vacuums-liquids/"
      ]
    },
    {
      "name": "Food processing, bakeries, grain, and pharma",
      "common_concerns": [
        "flour/sugar/grain dust",
        "crumbs",
        "ingredient spills",
        "hot oven residue",
        "allergen and hygiene workflows"
      ],
      "routing_topics": [
        "food",
        "combustible dust",
        "dust collectors"
      ],
      "page_urls": [
        "https://depurecousa.com/industrial-vacuum-cleaners-food-industry/",
        "https://depurecousa.com/combustible-dust-vacuum-cleaners-explosion-proof/",
        "https://depurecousa.com/dust-collectors/"
      ]
    },
    {
      "name": "Additive manufacturing and powder-bed fusion",
      "common_concerns": [
        "metal/polymer powder recovery",
        "depowdering cleanup",
        "contamination control",
        "conductive/reactive powders"
      ],
      "routing_topics": [
        "additive manufacturing",
        "explosion proof",
        "combustible dust"
      ],
      "page_urls": [
        "https://depurecousa.com/industrial-vacuums-powder-bed-fusion-additive-manufacturing/",
        "https://depurecousa.com/explosion-proof-industrial-vacuums/",
        "https://depurecousa.com/combustible-dust-vacuum-cleaners-explosion-proof/"
      ]
    },
    {
      "name": "Battery, EV, electronics, semiconductor, and ESD-sensitive production",
      "common_concerns": [
        "graphite dust",
        "electrode powder",
        "conductive powder",
        "contamination control",
        "ESD-sensitive cleanup"
      ],
      "routing_topics": [
        "battery",
        "fine dust",
        "combustible dust"
      ],
      "page_urls": [
        "https://depurecousa.com/high-performance-vacuums-for-lithium-battery-production/",
        "https://depurecousa.com/industrial-vacuum-cleaners-fine-dust/",
        "https://depurecousa.com/combustible-dust-vacuum-cleaners-explosion-proof/"
      ]
    },
    {
      "name": "Construction, concrete, and floor preparation",
      "common_concerns": [
        "silica dust",
        "concrete grinding",
        "scarifying",
        "tool-connected dust extraction",
        "contained disposal"
      ],
      "routing_topics": [
        "floor prep",
        "silica",
        "hepa"
      ],
      "page_urls": [
        "https://depurecousa.com/dust-extractors-floor-preparation/",
        "https://depurecousa.com/silica-dust-vacuums-industrial/",
        "https://depurecousa.com/hepa-dust-extractors-longopac-collection/"
      ]
    },
    {
      "name": "Woodworking, cabinet shops, and millwork",
      "common_concerns": [
        "wood dust",
        "sawdust",
        "sanding dust",
        "chips",
        "central/source capture selection"
      ],
      "routing_topics": [
        "woodworking",
        "dust collectors",
        "combustible dust"
      ],
      "page_urls": [
        "https://depurecousa.com/dust-collectors-wood-shops/",
        "https://depurecousa.com/dust-collectors/",
        "https://depurecousa.com/combustible-dust-vacuum-cleaners-explosion-proof/"
      ]
    },
    {
      "name": "Welding, fabrication, and shipyards",
      "common_concerns": [
        "welding fumes",
        "smoke",
        "metal dust",
        "grinding residue",
        "multi-station source capture"
      ],
      "routing_topics": [
        "welding fumes",
        "dust collectors",
        "centralized vacuum systems"
      ],
      "page_urls": [
        "https://depurecousa.com/welding-fumes-extractors/",
        "https://depurecousa.com/dust-collectors/",
        "https://depurecousa.com/centralized-vacuum-systems/"
      ]
    },
    {
      "name": "Shooting ranges",
      "common_concerns": [
        "lead dust",
        "brass",
        "soot",
        "unburned powder",
        "hazardous-dust housekeeping"
      ],
      "routing_topics": [
        "shooting range",
        "hepa",
        "explosion proof"
      ],
      "page_urls": [
        "https://depurecousa.com/shooting-range-vacuum-hepa-atex/",
        "https://depurecousa.com/hepa-dust-extractors-longopac-collection/",
        "https://depurecousa.com/explosion-proof-industrial-vacuums/"
      ]
    },
    {
      "name": "Cement, minerals, foundries, sandblasting, and heavy process",
      "common_concerns": [
        "abrasive dust",
        "bulk dust",
        "heavy debris",
        "centralized housekeeping",
        "continuous duty"
      ],
      "routing_topics": [
        "dust collectors",
        "centralized vacuum systems",
        "high power"
      ],
      "page_urls": [
        "https://depurecousa.com/dust-collectors/",
        "https://depurecousa.com/centralized-vacuum-systems/",
        "https://depurecousa.com/high-power-industrial-vacuums/"
      ]
    },
    {
      "name": "Packaging, digital cutting, textiles, and OEM integration",
      "common_concerns": [
        "scrap and trim recovery",
        "on-board/machine-mounted collection",
        "central waste collection",
        "bulky/lightweight scrap"
      ],
      "routing_topics": [
        "centralized vacuum systems",
        "industrial vacuum cleaners",
        "accessories"
      ],
      "page_urls": [
        "https://depurecousa.com/centralized-vacuum-systems/",
        "https://depurecousa.com/industrial-vacuum-cleaners/",
        "https://depurecousa.com/accessories-industrial-vacuum-cleaner/"
      ]
    },
    {
      "name": "Waste management, biomass, and recycling",
      "common_concerns": [
        "bulk dusty material",
        "combustible/process dust",
        "cleanup around conveyors",
        "heavy-duty housekeeping"
      ],
      "routing_topics": [
        "high power",
        "dust collectors",
        "centralized vacuum systems"
      ],
      "page_urls": [
        "https://depurecousa.com/high-power-industrial-vacuums/",
        "https://depurecousa.com/dust-collectors/",
        "https://depurecousa.com/centralized-vacuum-systems/"
      ]
    }
  ],
  "roles": {
    "EHS / Safety": {
      "research_focus": [
        "hazardous material behavior",
        "combustible dust housekeeping",
        "operator exposure",
        "filtration and contained disposal",
        "classified vs ordinary location selection"
      ],
      "questions": [
        "What is being collected and can it become airborne or explosive?",
        "Does the application need HEPA, antistatic filtration, conductive accessories, or contained disposal?",
        "Does the facility require a specific product configuration or engineering review?"
      ],
      "routing": [
        "combustible dust",
        "explosion proof",
        "hepa",
        "dust collectors",
        "welding fumes"
      ]
    },
    "Plant / Operations": {
      "research_focus": [
        "uptime",
        "throughput",
        "labor reduction",
        "continuous-duty use",
        "number of users or machines supported"
      ],
      "questions": [
        "What cleanup is slowing production?",
        "How often does cleanup happen?",
        "Would mobile units or a central system reduce movement and downtime?"
      ],
      "routing": [
        "centralized vacuum systems",
        "sump",
        "high power",
        "three phase",
        "industrial vacuum cleaners"
      ]
    },
    "Maintenance / Facilities": {
      "research_focus": [
        "cleanout speed",
        "filter maintenance",
        "serviceability",
        "spare parts",
        "wet/dry/mixed-material flexibility"
      ],
      "questions": [
        "What debris clogs or damages current equipment?",
        "Is pump-out, chip separation, or pre-separation needed?",
        "What accessories reduce cleanup time?"
      ],
      "routing": [
        "wet dry",
        "sump",
        "accessories",
        "liquids",
        "hepa"
      ]
    },
    "Engineering / Process": {
      "research_focus": [
        "system sizing",
        "utilities",
        "integration",
        "source capture",
        "piping and separator design",
        "discharge method"
      ],
      "questions": [
        "Is the pickup point mobile, fixed, machine-mounted, or centralized?",
        "What airflow, vacuum level, pipe run, separator, and discharge design are needed?",
        "What controls or sensors are needed?"
      ],
      "routing": [
        "centralized vacuum systems",
        "central system design",
        "dust collectors",
        "air powered"
      ]
    },
    "Purchasing / Sourcing": {
      "research_focus": [
        "correct model family",
        "configuration requirements",
        "documentation",
        "lead time",
        "total cost of ownership",
        "service and parts"
      ],
      "questions": [
        "What exact application and material must be handled?",
        "Which accessories and filters must be ordered with the unit?",
        "Is the product stocked, documented, and serviceable?"
      ],
      "routing": [
        "product-index",
        "accessories",
        "decision-guide"
      ]
    },
    "Quality / Food Safety / Sanitation": {
      "research_focus": [
        "cross-contamination",
        "allergen residue",
        "sanitary cleanup",
        "food powder behavior",
        "stainless or high-temperature options"
      ],
      "questions": [
        "Is the cleanup dry powder, wet residue, hot crumb/oven debris, or ingredient spill?",
        "Does the process need stainless, NOMEX, contained disposal, or allergen-control workflow?"
      ],
      "routing": [
        "food",
        "fine dust",
        "combustible dust",
        "accessories"
      ]
    }
  },
  "pages": [
    {
      "url": "https://depurecousa.com/industrial-vacuum-cleaners/",
      "role": "Main solution hub",
      "topics": [
        "industrial vacuum cleaners",
        "plant housekeeping",
        "dust/liquid/chip/debris recovery"
      ],
      "industries": [
        "manufacturing",
        "machine shops",
        "food processing",
        "woodworking",
        "facility maintenance"
      ],
      "materials": [
        "dust",
        "liquids",
        "sludge",
        "chips",
        "swarf",
        "production debris"
      ],
      "comparison_topics": [
        "industrial vacuum vs shop vacuum",
        "industrial vacuum vs dust collector"
      ]
    },
    {
      "url": "https://depurecousa.com/industrial-vacuum-cleaners-fine-dust/",
      "role": "Fine dust solution page",
      "topics": [
        "fine dust vacuum",
        "hazardous dust cleanup",
        "HEPA-oriented recovery"
      ],
      "industries": [
        "manufacturing",
        "battery",
        "additive",
        "concrete/floor prep"
      ],
      "materials": [
        "fine dust",
        "graphite",
        "silica",
        "lead",
        "powders"
      ],
      "comparison_topics": [
        "HEPA dust extractor vs standard vacuum"
      ]
    },
    {
      "url": "https://depurecousa.com/industrial-vacuums-liquids/",
      "role": "Liquid recovery page",
      "topics": [
        "industrial vacuum for liquids",
        "oil/coolant/sludge recovery"
      ],
      "industries": [
        "machining",
        "manufacturing",
        "maintenance"
      ],
      "materials": [
        "water",
        "coolant",
        "oil",
        "sludge",
        "slurry"
      ],
      "comparison_topics": [
        "wet/dry vs liquid recovery vacuum"
      ]
    },
    {
      "url": "https://depurecousa.com/wet-and-dry-industrial-vacuum-cleaners/",
      "role": "Mixed-media vacuum category",
      "topics": [
        "wet and dry industrial vacuum",
        "solids and liquids cleanup"
      ],
      "industries": [
        "facility maintenance",
        "food",
        "machining",
        "manufacturing"
      ],
      "materials": [
        "water",
        "oil",
        "sludge",
        "dust",
        "chips"
      ],
      "comparison_topics": [
        "industrial wet/dry vs shop vac"
      ]
    },
    {
      "url": "https://depurecousa.com/sump-vacuums-for-coolant-and-metal-chips/",
      "role": "CNC coolant and swarf page",
      "topics": [
        "sump vacuum",
        "coolant recovery",
        "chip separation",
        "machine downtime reduction"
      ],
      "industries": [
        "CNC shops",
        "machining",
        "metalworking"
      ],
      "materials": [
        "coolant",
        "oil",
        "chips",
        "swarf",
        "sludge"
      ],
      "comparison_topics": [
        "sump vacuum vs manual cleanout",
        "coolant recovery vs wet vacuum"
      ]
    },
    {
      "url": "https://depurecousa.com/explosion-proof-industrial-vacuums/",
      "role": "Safety-focused hazardous/ignition-sensitive page",
      "topics": [
        "explosion-proof vacuum",
        "ORD LOC vacuum",
        "hazardous dust cleanup"
      ],
      "industries": [
        "food/grain",
        "metal powder",
        "woodworking",
        "powder processing"
      ],
      "materials": [
        "combustible dust",
        "metal dust",
        "fine powders",
        "hazardous dust"
      ],
      "comparison_topics": [
        "explosion-proof vs standard vacuum"
      ]
    },
    {
      "url": "https://depurecousa.com/combustible-dust-vacuum-cleaners-explosion-proof/",
      "role": "Combustible-dust topical page",
      "topics": [
        "combustible dust vacuum",
        "NFPA 660 housekeeping language",
        "dust hazard-aware cleanup"
      ],
      "industries": [
        "food",
        "grain",
        "woodworking",
        "battery",
        "metal powder"
      ],
      "materials": [
        "flour",
        "sugar",
        "wood dust",
        "metal dust",
        "graphite"
      ],
      "comparison_topics": [
        "combustible-dust vacuum vs shop vacuum"
      ]
    },
    {
      "url": "https://depurecousa.com/air-powered-industrial-vacuum-cleaners/",
      "role": "Compressed-air/pneumatic page",
      "topics": [
        "air powered vacuum",
        "pneumatic industrial vacuum",
        "compressed-air cleanup"
      ],
      "industries": [
        "hazard-aware areas",
        "maintenance",
        "facilities"
      ],
      "materials": [
        "dust",
        "powders",
        "liquids",
        "shavings"
      ],
      "comparison_topics": [
        "air-powered vs electric vacuum"
      ]
    },
    {
      "url": "https://depurecousa.com/dust-collectors/",
      "role": "Source-capture dust collection page",
      "topics": [
        "dust collector",
        "source capture",
        "airborne dust control"
      ],
      "industries": [
        "woodworking",
        "food",
        "manufacturing",
        "metalworking"
      ],
      "materials": [
        "airborne dust",
        "sanding dust",
        "powder",
        "process dust"
      ],
      "comparison_topics": [
        "dust collector vs industrial vacuum"
      ]
    },
    {
      "url": "https://depurecousa.com/welding-fumes-extractors/",
      "role": "Welding source capture page",
      "topics": [
        "welding fume extractor",
        "welding smoke collector",
        "local exhaust support"
      ],
      "industries": [
        "fabrication",
        "welding shops",
        "shipyards",
        "manufacturing"
      ],
      "materials": [
        "welding fumes",
        "smoke",
        "metal particulate"
      ],
      "comparison_topics": [
        "mobile fume extractor vs centralized capture"
      ]
    },
    {
      "url": "https://depurecousa.com/centralized-vacuum-systems/",
      "role": "Plant-wide central system hub",
      "topics": [
        "centralized vacuum system",
        "multi-user housekeeping",
        "fixed piping"
      ],
      "industries": [
        "large manufacturing",
        "food/grain",
        "woodworking",
        "foundry/minerals"
      ],
      "materials": [
        "dust",
        "chips",
        "powders",
        "debris"
      ],
      "comparison_topics": [
        "centralized vs mobile industrial vacuum"
      ]
    },
    {
      "url": "https://depurecousa.com/centralized-vacuum-systems/system-design-engineering/",
      "role": "Engineering design page",
      "topics": [
        "vacuum system sizing",
        "piping design",
        "separator/discharge planning"
      ],
      "industries": [
        "plants",
        "integrators",
        "engineering teams"
      ],
      "materials": [
        "dust",
        "chips",
        "powders",
        "bulk material"
      ],
      "comparison_topics": [
        "central vacuum design vs mobile equipment"
      ]
    },
    {
      "url": "https://depurecousa.com/industrial-vacuum-cleaners-food-industry/",
      "role": "Food/bakery/pharma page",
      "topics": [
        "food plant vacuum",
        "bakery vacuum",
        "ingredient spill cleanup"
      ],
      "industries": [
        "food processing",
        "bakeries",
        "grain mills",
        "pharma"
      ],
      "materials": [
        "flour",
        "sugar",
        "crumbs",
        "grain",
        "hot oven residue"
      ],
      "comparison_topics": [
        "bakery vacuum vs general food-plant vacuum"
      ]
    },
    {
      "url": "https://depurecousa.com/industrial-vacuums-powder-bed-fusion-additive-manufacturing/",
      "role": "Additive manufacturing page",
      "topics": [
        "3D printing vacuum",
        "powder bed fusion cleanup",
        "metal powder recovery"
      ],
      "industries": [
        "additive manufacturing",
        "aerospace",
        "medical device",
        "R&D"
      ],
      "materials": [
        "metal powder",
        "polymer powder",
        "conductive powder"
      ],
      "comparison_topics": [
        "additive manufacturing vacuum vs standard vacuum"
      ]
    },
    {
      "url": "https://depurecousa.com/high-performance-vacuums-for-lithium-battery-production/",
      "role": "Battery production page",
      "topics": [
        "battery dust vacuum",
        "graphite dust vacuum",
        "conductive powder cleanup"
      ],
      "industries": [
        "battery",
        "EV",
        "electronics"
      ],
      "materials": [
        "graphite",
        "carbon black",
        "electrode residue",
        "conductive powder"
      ],
      "comparison_topics": [
        "battery dust vacuum vs standard vacuum"
      ]
    },
    {
      "url": "https://depurecousa.com/dust-extractors-floor-preparation/",
      "role": "Floor prep page",
      "topics": [
        "floor prep dust extractor",
        "concrete grinding vacuum"
      ],
      "industries": [
        "contractors",
        "industrial maintenance",
        "surface prep"
      ],
      "materials": [
        "silica",
        "concrete dust",
        "grinding dust"
      ],
      "comparison_topics": [
        "concrete dust extractor vs industrial vacuum"
      ]
    },
    {
      "url": "https://depurecousa.com/dust-collectors-wood-shops/",
      "role": "Woodworking dust page",
      "topics": [
        "wood dust collection",
        "sawdust vacuum",
        "cabinet shop dust collector"
      ],
      "industries": [
        "woodworking",
        "cabinet shops",
        "millwork"
      ],
      "materials": [
        "wood dust",
        "sawdust",
        "sanding dust",
        "chips"
      ],
      "comparison_topics": [
        "wood dust collector vs industrial vacuum"
      ]
    },
    {
      "url": "https://depurecousa.com/accessories-industrial-vacuum-cleaner/",
      "role": "Accessory/support page",
      "topics": [
        "industrial vacuum accessories",
        "filters",
        "hoses",
        "tools",
        "Longopac",
        "spare parts"
      ],
      "industries": [
        "all markets"
      ],
      "materials": [
        "application-specific accessories"
      ],
      "comparison_topics": [
        "conductive hose vs standard hose",
        "filter replacement vs equipment upgrade"
      ]
    }
  ],
  "source_notes": [
    "Public website crawlable pages",
    "WooCommerce product export",
    "WordPress XML export",
    "product database specs",
    "keyword/page-mapping workbooks",
    "Drive crawler docs"
  ]
}