отруйна речовина (ОР); токсична речовина, отруйна речовина
toxic chemical agent
toxic
toxic free area
toxic material
toxic report
toxic fume
non-toxic harmful substance
highly toxic substance
toxic substance
agent / agent network / agents
CW agent (chemical warfare agent)
obscurant agent (vision-restricting agent)
damage agent / damaging agent
agent vapor
anti-plant agent
automatic chemical agent alarm
biological agent
blister agent/ gas
blood agent
chemical agent detector
chemical agent detector kit
chemical agent detector paper
chemical agent dissemination
chemical warfare agent
choking agent / gas
corrosive agent
deep-cover agent
defoliating agent
depolymerizing agent
germ warfare agent
harassing agent
ignition agent