About: http://webisa.webdatacommons.org/450855804

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	Mask 440 can be, for example, an opaque material including a slit to allow insertion of mask 440 onto housing 560.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com