About: pollution control device

Premodifier: pollution control
Head noun: device

Same concepts

Broader concepts

label	provenance	confidence

Narrower concepts

label	provenance	confidence
catalytic converter	isap:133911769	0.747027
scrubber	isap:484867250	0.495270
diesel particulate filter	isap:390619746	0.431655
incinerator	isap:144872501	0.319067
trap	isap:300545307	0.203637