About: http://webisa.webdatacommons.org/15618368

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	When you are spinning a tool against a piece of material at thousands of rpms and simultaneously dragging it across the surface, there is a lot of friction and vibration.
http://www.w3.org/ns/prov#wasQuotedFrom	everything2.com