Ключевые слова: apocalypse, background, behind, biohazard, chemical, chemistry, concept, cross, danger, desire, disaster, emergency, expression, falsehood, finger, gas, gloves, hand, hazard, hazardous, hazmat, hope, industrial, industry, isolated, lucky, male, man, mask, nuclear, person, pollution, promise, protection, protective, radiation, radioactive, respirator, safety, scientist, sign, suit, superstition, toxic, uniform, waiting, white, wish, worker, yellow,