About: http://webisa.webdatacommons.org/429529039

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	FIG. 3 is a simplified illustration of a tubular joint shown in partial sectional view showing one continuous pressure vessel formed by two tubular pipes and a coupling;
http://www.w3.org/ns/prov#wasQuotedFrom	google.com