Ключевые слова: active, alert, armageddon, atom, atomic, background, black, bomb, brick, button, caution, chemical, chemistry, core, danger, design, dirty, energy, extinction, grunge, grungy, hazard, hazardous, icon, illustration, industry, meltdown, metal, nuclear, power, protection, radiation, radioactive, radioactivity, ray, risk, rusty, safety, sign, symbol, texture, toxic, uranium, wall, war, warning, waste, yellow,