About: valve train

Premodifier: valve
Head noun: train

Same concepts
http://dbpedia.org/resource/Valvetrain

Broader concepts

label	provenance	confidence
engine component	isap:336211893	0.586748
internal combustion engine	isap:160202371	0.575652
hydrodynamic lubrication	isap:208680914	0.485964

Narrower concepts

label	provenance	confidence
internal combustion engine	isap:120142385	0.510240
camshaft	isap:357103061	0.273024