About: http://webisa.webdatacommons.org/158778267

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 tapered insert can be made of any suitable materials, including for example wood or other biodegradable materials.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com