About: http://webisa.webdatacommons.org/246938376

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	Chipping heads 160 and 162 are driven by motor means (not shown) and are selectively, slidingly positioned along guide shafts 160 a and 162 a by positioning means such as actuators known in the art (also not shown).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com