About: http://webisa.webdatacommons.org/87623795

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	Gas cylinders and welding machines should be left outside the space when work is performed in such spaces as tanks, boilers, or pressure vessels.
http://www.w3.org/ns/prov#wasQuotedFrom	princeton.edu