PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • ??????????????????????????? Volatile Organic Compounds (VOCs) ??? Cleaning products, pesticides, building materials and furnishing are a few examples of materials that could release VOCs into the air.
http://www.w3.org/ns/prov#wasQuotedFrom
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