About: http://webisa.webdatacommons.org/130776803

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	Process piping or pipeline drafters make drawings used in oil and gas fields, chemical plants, and other pipe systems.
http://www.w3.org/ns/prov#wasQuotedFrom	infoplease.com