About: http://webisa.webdatacommons.org/115028549

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	Alternatively, the ring 191 could be made from any other material, including without limitation rubbers or other elastomers, thermoplastics, or other plastic materials.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com