About: http://webisa.webdatacommons.org/35216727

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	Therefore, gear trains or other parts are not required for changing the speed, so that the space required is reduced.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com