1. Craft waste
Depending on their nature, a distinction is made between :
Precious metals, the higher grades of which are represented by shavings, cutting offcuts, old jewelry, goldsmiths' and silversmiths' pieces, etc., and the lower grades by plating scrap on supports, old silver- or gold-plated metal objects, etc. ;
combustible materials, such as workshop wiping rags, oils, polishing pastes and dusts. The substrate can therefore be disposed of by incineration, while the precious metals are concentrated in the ash;
goldsmiths' dross or ash, whose main mass is made up of refractory materials. These include worn-out or broken crucibles, furnace bricks, fluxes and melting drosses, workshop sweepings, soot, etc.
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Craft waste
Silver waste
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