About: http://webisa.webdatacommons.org/193326644

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 panes 43 are preferably made of a thin, optically transparent or translucent material, such as glass or plastic, although other types of optical filters can be used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca