About: http://webisa.webdatacommons.org/414384303

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	It is furthermore preferable that the contact activator be a material such as but not limited to glass wool 953 or silica, aluminum, diatomaceous earth, kaolin, etc., or non-wettable surfaces such as plastic, siliconized glass, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca