Ключевые слова: art, blade, brick, construction, contour, drill, driller, electric, equipment, gas, glowing, hacksaw, handle, hard, hat, helmet, icon, illustration, industrial, industry, instrument, isolated, light, line, linear, lineart, machine, metal, neon, object, outline, pipe, pipeline, plastic, power, pressure, protect, protection, repair, safety, saw, screwdriver, sharp, tool, valve, wall, water, work, worker,