About: http://webisa.webdatacommons.org/191108125

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	All gears are helically cut except first and reverse, which are spur gears.
http://www.w3.org/ns/prov#wasQuotedFrom	novak-adapt.com