Gold and its alloys; gold ingots; silver and its alloys; silver ingots; platinum and its alloys; platinum ingots; palladium and its alloys; palladium ingots; rhodium and its alloys; iridium and its alloys; precious metals; jewelry ornaments; jewelry

Sorting and disposal of waste and trash; recycling of waste and trash; recycling and metal refining services, namely, gold, silver, platinum, palladium, rhodium, iridium, and dental scrap recycling and refining; metal treating