Ключевые слова: background, blue, blur, brass, close, color, connect, connection, design, detail, dirty, energy, engineering, equipment, flow, focus, glue, industrial, industry, iron, knob, line, liquid, lock, metal, modern, number, object, old, open, paint, pipe, pipeline, plastic, plumber, plumbing, pressure, pvc, red, rotate, rusty, space, spiral, steel, supply, two, valves, water, white, work,