About: http://webisa.webdatacommons.org/86499209

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	Mechanisms such as sensors, exhaust systems, and particle-control equipment assist in maintaining a clean environment.
http://www.w3.org/ns/prov#wasQuotedFrom	qmed.com