About: http://webisa.webdatacommons.org/47094130

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	Turning now to the drawings in general and FIG. 1 in particular the tube 1 is made of a rigid material such as polyvinyl chloride (PVC), stainless steel (304) and the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr