About: http://webisa.webdatacommons.org/300240859

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	An estimated 1.7 million US workers are exposed to crystalline silica, which kills some 200 workers each year and causes new cases of silicosis in as many as 7,300 workers, mostly in construction.
http://www.w3.org/ns/prov#wasQuotedFrom	tuc.org.uk