[Class : 40] Jewellery Engraving; Jewellery Casting; Manufacture Of Jewellery To The Order And Specification Of Others; Goldsmithing; Gold Leafing; Gold Plating; Metal Refining Services, Namely, {Specify Metal, E.G., Gold, Silver, Dental Scrap, Etc.} Refining; Diamond Cutting; Polishing Of Diamonds; Heat Treatment Of Diamonds; Processing And Cutting Of Diamonds And Other Precious Stones.