About: http://webisa.webdatacommons.org/229124262

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	a support structure coupled to the lower frame, the support structure including a column having a movable portion that is movable generally vertically relative to the lower frame and relative to the upper frame,
http://www.w3.org/ns/prov#wasQuotedFrom	google.es