горюча речовина
flammable mixture
flammable fume
flammable
combustible substance
illicit substance (counter-narcotics)
substance abuse
working substance
inflammable substance
ozone depleting substance
non-toxic harmful substance
substance
biological active substance
explosive substance
hazardous substance
highly toxic substance
liquid state of substance
low global warming potencial substance
nitrogen-containing substance
priority substance
pyrotechnic substance
soluble substance
toxic substance
radioactive substance