Worker repairing the boiler with the aid of welding
Air cooled water chiller with pipework
Construction worker spraying paint to steel pipe to prevent the rust on the surface
Hydrostatic test and manometer ( pressure gauge ) of the process piping in the workshop. Pressure tightness can be tested by shutting off the supply valve and observing whether there is a pressure loss.
A worker at a factory in a special room paints parts of the valves from the spray gun. Paint valves in gray color, hand close up
Industrial work. Priming of metal products from the compressor gun. A worker in overalls and a respirator paints the body of a truck trailer