About: http://webisa.webdatacommons.org/20714951

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	Valves, rings, and cylinder sleeves are the most prone to rust and in some motor designs, a stuck valve can be hit by a piston causing expensive damage when the engine rotates when starting.
http://www.w3.org/ns/prov#wasQuotedFrom	gtmm.com