About: http://webisa.webdatacommons.org/175504090

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	in maintaining gears and other movable parts, and introduced to electrical control circuits and the operation
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com