About: http://webisa.webdatacommons.org/439741854

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	However, the vane-type rotor has some problems, such as friction, abrasion, and necessity of...
http://www.w3.org/ns/prov#wasQuotedFrom	deepdyve.com