About: http://webisa.webdatacommons.org/194659981

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	Conventional spindles presently used in P.C.B. drilling systems rotate the drill as it is gripped by one of many types of chucking devices.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com