Applying coatings by means of thermal spraying to substrates, namely, steel, material webs, tools and machine parts of metal; applying by means of thermal spraying layers of metallic materials as well as composite materials, in particular zinc, aluminum and alloys of zinc and aluminum; rental of mobile thermal spraying systems mainly comprised of equipment for wire flame spraying and for twin-wire electric arc spraying that uses wire flame spray guns, electric arc spray guns and associated ap...