Ключевые слова: background, black, blue, clock, closeup, control, design, detail, dials, electric, energy, engineering, equipment, fitting, gage, gauge, hands, heat, industrial, instrument, iron, lifestyle, machine, measurement, metal, meter, minute, modern, numbers, object, panel, pipe, plastic, power, pressure, production, pump, red, set, steel, switch, system, technology, temperature, time, tool, tube, valve, water, white,