292,762
2007-01-30 16:45:12
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answer #1
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answered by Anonymous
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One is sufficient if it has the appropriate lenses. See an optician.
Postscript: at first glance, I didn't notice the reference to the house. Obviously, to use sunglasses to keep UV off a house is silly.
2007-01-30 16:35:13
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answer #2
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answered by Anonymous
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Rather put a wooden ply or anything opaque it will block 100% UV rays
2007-01-30 16:32:52
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answer #3
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answered by Lancelot 3
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you're able to get sunlight hues that say they have a layer of UV tint on them and you additionally should purchase polarized sunlight hues in case you're exterior plenty doing summer or wintry climate activities or purely in case you force plenty.
2016-12-13 05:04:23
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answer #4
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answered by Anonymous
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1pair... it just depends on where you put the sunglass.. just not too tooo close to the sun though.. and make the lens really thick and.. big, and strong, and very black.
2007-01-30 16:47:38
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answer #5
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answered by :D 5
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It depends on the square footage of your house.
2007-01-30 16:31:39
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answer #6
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answered by bluemoon 2
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Uhmmm did you want a serious answer? well okay im guessing 2....
2007-01-30 16:32:32
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answer #7
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answered by Angel 4
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