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Mechanic Lens/ Prism Grinding Practice Test: Make Various Spectacles, Prism & Magnifying Glasses
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Avg score: 62% Most missed: “The word lens comes from which language...........”
Mechanic Lens/ Prism Grinding Practice Test: Make Various Spectacles, Prism & Magnifying Glasses
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3 Questions

1. Coating used on spectacle lens is...........
2. The word lens comes from which language...........
3. Which coating used on spectacle lenses?

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