Ключевые слова: apocalypse, biohazard, black, blazing, breathe, catastrophe, chemical, concept, conceptual, danger, dangerous, destruction, disaster, ecology, environment, environmental, explosion, fear, fiery, fire, flame, fog, gas, heat, hell, horizontal, horror, idea, industrial, man, mask, military, nuclear, orange, pollution, protection, protective, radiation, radioactive, reflect, reflection, safety, security, smoke, smoky, soldier, toxic, wear, yellow,