About: http://webisa.webdatacommons.org/396430565

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 lens 18 is typically made of any desired light transmissive material that can protect a user's eyes from bright or harmful light as well as debris or other matter suspended in or propelled through the exterior region.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com