About: hazardous gas

Premodifier: hazardous
Head noun: gas

Same concepts

Broader concepts

label	provenance	confidence

Narrower concepts

label	provenance	confidence
natural gas	isap:281611176	0.830331
carbon monoxide	isap:350467893	0.796654
hydrogen sulfide	isap:509130911	0.695308
hydrogen sulphide	isap:349279543	0.574715
carbon	isap:404695682	0.422891
ozone	isap:324081717	0.420723
arsenic	isap:508342786	0.398217
radon	isap:326348319	0.360789
chlorine	isap:350092990	0.332122
methane	isap:509575750	0.321123
ammonia	isap:508071106	0.279049