aharris aharris
  • 14-12-2016
  • Mathematics
contestada

What's the recommend amount of UV protection that sunglasses should provide?

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Аноним Аноним
  • 14-12-2016
They should screen out 99 to 100 percent of uv rays. Hope this helps!
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Аноним Аноним
  • 14-12-2016
Sunglasses that block 100 percent of the harmful UV and have good optical quality.
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