Ключевые слова: art, background, blue, cave, chemical, clock, contour, danger, defense, destruction, detonate, detonator, dynamite, entrance, equipment, explosion, explosive, fire, geology, glowing, gold, green, icon, illustration, industry, isolated, light, line, linear, lineart, mask, military, neon, outline, protection, protective, respirator, rock, safety, stone, time, timer, toxic, tunnel, violence, warning, weapon,