About: http://webisa.webdatacommons.org/72444703

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 tubes may be made of any suitable material including a suitable plastic.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com