About: http://webisa.webdatacommons.org/10753173

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	Safety standards require electrical devices such as electrical instrumentation and lighting systems to be protected from use in any ambient atmosphere in which explosive vapors are present.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au