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Is there a way to make my sunglasses scratch-resistant?

3 min•6 december 2010

Om avsnittet

Sunglasses have various special coatings: Some are reflective, while others are scratch-resistant. In this episode, Marshall explains how these different coatings work.

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Is there a way to make my sunglasses scratch-resistant?

Om avsnittet

Fler avsnitt

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