About: http://webisa.webdatacommons.org/259362927

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	Historically, motor operated valves have been employed in applications where factors such as line size, high pressure, temperature, flow rate, or inaccessible location dictates that other types of valve operators will not suffice.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com