Leaf-metal and metals in powder form for painting, decorating and printing purposes, in particular leaf-metal of zinc or zinc alloys, in particular aluminum pigments for marine primer paints; antirust agents, in particular antirust agents in the nature of antirust paints, antirust oils, antirust varnishes, antirust greases, containing leaf-metal of zinc, zinc alloys or aluminum; anti-corrosive preparations being chemicals, namely, anti-corrosive coatings