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precision-optical worker

Workers engaged in preparation of precision glass elements, working to close tolerances.

Classifications are made according to work performed as optical-glass etcher, optical-glass silverer, precision-lens grinder, and precision-lens polisher.

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Δημιουργός

  • Jason F
  • (United States of America)

  •  (V.I.P) 16216 points
  • 100% positive feedback
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