Automated farming irrigation sprinklers system on cultivated agricultural landscape field in sunset Construction worker spraying paint to steel pipe to prevent the rust on the surface Sprinkler heads sprayers of fire extinguishing systems at the exhibition 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