About: http://webisa.webdatacommons.org/143866135

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	A fastener such as a screw or bolt passes through the sealing washer and the main washer, into a hole in a mounting surface.
http://www.w3.org/ns/prov#wasQuotedFrom	faqs.org