About: http://webisa.webdatacommons.org/277199667

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In addition to some natural lead in gasoline, the gradual loss of fine particles of metal, rubber, and other components that contain lead contributes to pollution, particularly in urban areas with high traffic density.
http://www.w3.org/ns/prov#wasQuotedFrom	itmonline.org