About: http://webisa.webdatacommons.org/51194958

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 material of the disc can be chosen from a variety of materials, such as aluminium, PPO (polyphenylene oxide) (Noryl), polymethyl methacrylate (PMMA), polypropylene and PVDF (polyvinylidene fluoride) as well as polycarbonate.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com