About: http://webisa.webdatacommons.org/397318906

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	The control chamber 26 is disposed above all in a screwed nipple 27, which comprises transparent material such as plastic or glass, so that it is possible to see from outside whether air has gotten into the hydraulic oil.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com