About: screw jack

Premodifier: screw
Head noun: jack

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

Broader concepts

label	provenance	confidence
type	isap:173358851	0.534578
means	isap:95994323	0.442907
device	isap:304245733	0.428249
arm	isap:128514927	0.344358

Narrower concepts

label	provenance	confidence