About: http://webisa.webdatacommons.org/224400497

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 protective layer 1084 may be made of a rigid material such as an epoxy or glass.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com