About: http://webisa.webdatacommons.org/370768567

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	For example, the outer plug 26 can be made of silicone and the inner plug 28 might be a rod or other rigid member.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com