About: http://webisa.webdatacommons.org/335824629

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	Frame 12 rigidly supports the remainder of the apparatus, and is preferably made from a light, strong material such as tubular steel.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com