Ключевые слова: apocalypse, armageddon, biohazard, black, blazing, catastrophe, caution, chemical, concept, conceptual, danger, dangerous, destruction, disaster, ecology, end, environment, environmental, explosion, fear, fiery, fire, flame, fog, gas, gasmask, heat, hell, horror, idea, industrial, man, mask, military, nuclear, orange, pollution, power, protection, protective, radiation, radioactive, respirator, security, sky, smoke, smoky, toxic, war, yellow,