Ключевые слова: build, cable, cap, construction, danger, design, electric, electrical, electricity, energy, equipment, guard, hammer, hard, hat, head, home, hurdle, icon, illustration, industrial, industry, isolated, outlet, plastic, power, protect, protection, red, repair, road, safety, security, set, sign, socket, spanner, stone, stop, symbol, traffic, wall, warning, white, work, worker,