About: http://webisa.webdatacommons.org/371598399

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	ilise the housing when it is disposed underground, and the housing including a removable cover engageable with the tubular body at said one end for selectively closing said one end.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr