Bronze; common metals in powder form for industrial purposes; common metals, in particular aluminium, magnesium, beryllium, indium, tin; semimetals and transition metals, namely, copper, zinc, iron, titanium, vanadium, chromium, manganese, cobalt, nickel, tungsten, cadmium and their alloys, also in the form of grits, pellets, granules, small plates, powders, flakes, pastes and concentrates; common metals in foil form; common metals in crushed foil form, in particular leaf-shaped

Custom manufacture of apparatus for making green hydrogen for others