About: http://webisa.webdatacommons.org/282893874

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	Each telescopic arm is in the form of a piston and cylinder unit, the latter being filled with a fluid, in this embodiment, with a liquid such as nitrogen, under pressure.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com