About: http://webisa.webdatacommons.org/45477535

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	f a number of pipes screwed together for a length of about 15 meters, enabling receipt of standard types of tools being used
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com