About: roller rocker

Premodifier: roller
Head noun: rocker

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

Broader concepts

label	provenance	confidence
everything	isap:18502962	0.416698
part	isap:498557035	0.257140
mod	isap:406428626	0.255782

Narrower concepts

label	provenance	confidence