радіоактивна речовина
combustible substance
flammable 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
chemically hazardous substance
radioactive
radioactive alpha and beta particles
radioactive contamination
radioactive decay rate
radioactive dust
radioactive fallout
radioactive material
radioactive source
radioactive weapon residues
spread radioactive material
deadly radioactive damage area