About: http://webisa.webdatacommons.org/89514718

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	Factories and coal burning plants are required to take steps to remove pollutants, such as installing ??scrubbers?? in their smokestacks.
http://www.w3.org/ns/prov#wasQuotedFrom	ket.org