About: http://webisa.webdatacommons.org/67831558

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 stopper 40 may be formed of any suitable material, such as plastic, wood, metal, etc., with plastic being preferred for its low cost and easy formability.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com