About: http://webisa.webdatacommons.org/405772962

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	The face piece or frame 13 may be formed from a flexible impervious material such as rubber, plastic or other elastomeric material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com