The collection, expertise and preparation of all metal waste, including precious metals intended for melting, from private and professional suppliers, including jewelry, watches, coins, silverware, dental amalgams, used industrial alloys, as well as casting waste, turnings and shavings from approved and licensed workshops and businesses (e.g. jewelry, watchmaking, etc.) and resale to approved companies. The transformation of raw materials into refined materials is excluded from the company's field of activity. The content of the raw material lots supplied and sold in their original state to approved companies does not exceed 990 thousandths. Incidentally and exceptionally, the purchase and sale of old coins no longer having legal tender and having a premium of more than 5% of the nominal value, exclusively from lots intended for melting.