About: http://webisa.webdatacommons.org/146146473

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	If necessary, a sealant, such as silicone, may be added around the lens to hermetically seal the housing.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com