About: http://webisa.webdatacommons.org/35072038

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	The end fittings 30 and 32 are preferably made of stainless steel or other suitable non-corrosive metal, with the closed ends 36 being welded or otherwise permanently joined to the sleeve portions 34.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com