7313-Jewellery and precious-metal workers

Tasks include

• casting jewellery and other non-ferrous metal articles by hand
• creating new jewellery designs and modifying existing designs, using computers as necessary
• cutting designs in moulds or other materials to be used as models in the fabrication of metal and jewellery products
• altering existing jewellery mountings in order to reposition jewels or to adjust mountings. repairing, reshaping and restyling old jewellery or precious metal ware following designs or instructions
• making complete jewellery articles such as rings, necklaces, bangles, brooches and bracelets from materials such as gold, silver, platinum, and precious or semiprecious stones
• examining gem surfaces and internal structures, using polariscopes, refractometers, microscopes, and other optical instruments, to differentiate between stones, to identify rare specimens, or to detect flaws, defects, or peculiarities affecting gem values
• . cutting and polishing gems and setting them in jewellery articles
• engraving or embossing letters, designs or decorative lines on jewellery and precious metal ware
• grinding, drilling and finishing jewel bearings for use in precision instruments such as compasses and chronometers
• examining assembled or finished products to ensure conformance to specifications, using magnifying glasses or precision measuring instruments.