You are invited to post your queries and articles related to the field. However, certain topics are being marked here for just reference :
- assembling, dismantling and repairing precision instruments such as locks, timepieces and firearms using hand or power tools, measuring instruments and magnifying aids
- calibrating instruments using standard weights and measures
- engraving ornamental inscriptions on fine metal work and jewellery
- making and repairing blades for various saws
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