About: http://webisa.webdatacommons.org/65563576

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 half section of pipe is made of iron, steel, aluminum orother metal or it can be made of concrete, cement, plastic or other synthetic or composite materials.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com