PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Occupational exposure to respirable crystalline silica can occur in mining, hydraulic fracking, foundry work, abrasive blasting operations, paint manufacturing, glass and concrete product manufacturing, brick making, china and pottery manufacturing, and construction activities, such as cutting and drilling stone and rock, masonry work, and jack-hammering.
http://www.w3.org/ns/prov#wasQuotedFrom
  • rockproducts.com