About: http://webisa.webdatacommons.org/437582612

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	Preferably, they are formed of metallic pipe or the like, although some forms of plastic would also be adequate.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es