About: http://webisa.webdatacommons.org/326019153

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. 2A is a sectional side view showing a state of the gate valve 20 where the first and third level passages from the top are opened.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com