About: http://webisa.webdatacommons.org/137398596

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	Tubes can be made of a variety of materials, including but not limited to various plastics, metals and composites and can be rigid or flexible.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es