About: http://webisa.webdatacommons.org/338403507

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	Those polishing elements 11 are made of such materials as fluororesin or a polymer plastic (such as polypropylene, polyethylene, polyacetal, or urethane-type plastics).
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr