About: http://webisa.webdatacommons.org/413423557

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	Exposure occurs during construction activities, when workers are cutting, grinding, crushing or drilling materials that contain silica, such as concrete, masonry, tile or rock.
http://www.w3.org/ns/prov#wasQuotedFrom	masonrymagazine.com