About: http://webisa.webdatacommons.org/291364349

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	A standard of codes called ???NFPA 52??? will give you the safety regulations pertaining to the high-pressure tank, high pressure tubing, filler and PRD (Pressure Relief Device), pressure regulators, and other components.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com