About: gas main

Premodifier: gas
Head noun: main

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

Broader concepts

label	provenance	confidence
source	isap:304646839	0.634395
pipe	isap:170989928	0.550692
infrastructure	isap:477076509	0.549095
utility	isap:6673087	0.525241
service	isap:2849683	0.321796

Narrower concepts

label	provenance	confidence