About: ductile iron pipe

Premodifier: ductile iron
Head noun: pipe

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

Broader concepts

label	provenance	confidence
product	isap:9346452	0.668089
material	isap:455384411	0.441641
pipe	isap:176383197	0.388823
system	isap:310755972	0.195272

Narrower concepts

label	provenance	confidence