About: http://webisa.webdatacommons.org/442013535

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	Diaphragm 28 is clamped between cup 27 and base 26 by sonic welding of plastic posts 36 to form a retaining head on each post, or by any other suitable means, such as rivets, screws or other fasteners.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com