About: http://webisa.webdatacommons.org/286807012

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	stainless steels or the like. The gasket 6 which serves to electrically insulate the casing 4 and the sealing cover 5 from each other may be made of insulating materials such as polyolefins and any other insulating resins.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com