About: http://webisa.webdatacommons.org/129799563

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	Firstly, the mechanism must be able to adequately support the leg when it is extended, so that the table or other article, will not collapse during use.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr