About: http://webisa.webdatacommons.org/421101111

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	One of the bellows allows longitudinal motion of the control rod within the rigid tube, caused by thumbscrew rotation, which operates the pincers or other tool.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com