About: air separation

Premodifier: air
Head noun: separation

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

Broader concepts

label	provenance	confidence
application	isap:315777231	0.811654
variety of gas separation	isap:217892697	0.597400
process	isap:216935333	0.357258

Narrower concepts

label	provenance	confidence