About: http://webisa.webdatacommons.org/444578561

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 rotating member 4 is formed of transparent acrylic resin, however, it may be formed of borosilicate glass, quartz glass or other glass, or a transparent material such as polycarbonate or other types of resin.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com