Ключевые слова: automation, background, black, circular, coating, control, dark, energy, engineering, equipment, factory, flow, handle, hydraulic, industrial, industry, interior, iron, job, labor, light, machinery, maintenance, manufacturing, mechanical, metal, operation, paint, painting, pipe, pipeline, pneumatic, power, pressure, process, production, protective, repair, shadow, skill, spray, spray gun, steel, system, technology, valve, wheel, worker, workshop,