Lost-Wax casting part = Needle nose pliers

This is also known as precision casting.  The steps of producing lost-wax casting part,

1. Mould making
2. Pour molten wax into mold
3. Slurrying
            4. Burnout to remove wax
            5. Pour melted metal into sand mold
           6. Hammered away the sand
           7. Polishing(done)

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Material: SCM440 鳥嘴夾 / pliers 脫蠟鑄造, lost-wax casting,

pliers