The equipment of the boiler-house, - valves, tubes, pressure gauges, thermometer. Close up of manometer, pipe, flow meter, water pumps and valves of heating system in a boiler room, energy, industry, metal, power, steel, technology, engineering, instrument, measurement, pipeline, machine, background, brass, building, construction, gas, industrial, plumber, plumbing, service, indicator, cold, temperature, celsius, chrome, degree, flowing, fuel, generation, green, heavy, internal, liquid, measuring, part

圖片編號： 155772125
拍攝者： Rostovdriver