About: contamination control

Premodifier: contamination
Head noun: control

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

Broader concepts

label	provenance	confidence
other area	isap:76467015	0.724941
concern	isap:437721385	0.439123
product	isap:439070004	0.325738

Narrower concepts

label	provenance	confidence