About: http://webisa.webdatacommons.org/224967516

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	This system is particularly useful when workers are wearing personal protective clothing or respirators that make visual observation of their condition more difficult.
http://www.w3.org/ns/prov#wasQuotedFrom	science.gov