About: http://webisa.webdatacommons.org/151686331

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	nitrogen is an important part of the final product in our trade. in canada our regulations state we must use it during brazing to displace oxygen and lessen the carbon flakes in the system that plug...
http://www.w3.org/ns/prov#wasQuotedFrom	hvac-talk.com