About: http://webisa.webdatacommons.org/357203727

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	HBN powder is preferred because, unlike solid extreme pressure agents formed from metals such as lead and the like, it is environmentally safe and nontoxic.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com