About: http://webisa.webdatacommons.org/182419209

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	However, other suitable tubular materials are well within the scope of the present invention including, but not limited to, Teflon???, Stainless Steel, or other clean and flexible materials.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com