[Metal boxes; tin cans, sold empty; baskets of common metals; metal house numbers and letters;] signboards of metal; clothes hooks of metal; door handles of metal; [alloyed iron; cast iron; pig iron;] metal hooks; fittings of metal for furniture; [metal rails; metal key holders; metal bells for animals;] works of art of common metal[; door knockers of metal; door bells of metal, non-electric; split rings of common metal for keys; metal packaging trays; metal cable trays used in building const...