About: http://webisa.webdatacommons.org/179157945

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	That is, there is a pre-determined relationship between the longitudinal axis of the housing and plane atop the screw head (such as perpendicular).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com