About: http://webisa.webdatacommons.org/418675340

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	Piston 16 preferably is constructed of commercially available metals, ceramics, and plastics such as high-density polyethylene, ABS, polypropylene, or the like in accordance with the disclosure.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com