PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If engineering control measures are not possible to control the dust to anacceptable level, adequate and suitable respiratory protective equipment should be provided and wornby workers at risk.Lead dustLead dust may arise from handling materials containing lead or its compounds, such as removal ofleaded paint and handling of metallic lead.
http://www.w3.org/ns/prov#wasQuotedFrom
  • pdfsr.com