About: http://webisa.webdatacommons.org/45383060

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	Work from blueprints, plans, sketches and other specifications to plan, lay-out, fabricate and install piping systems for potable water, sanitary sewer, compressed air and high pressure steam commodities.
http://www.w3.org/ns/prov#wasQuotedFrom	indeed.com