Ключевые слова: automation, background, black, blue, bolt, business, cap, connection, detail, different, energy, engineering, equipment, factory, gear, heavy, industrial, iron, lathe, lot, machine, machinery, manufacture, mechanical, metallic, metalwork, part, pattern, pipe, pipeline, plant, power, press, process, production, screws, shiny, silver, sizes, stainless, steel, system, technology, tool, tube, turning, valve, water, work, workshop,