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If you can, melt it beforehand - not because of dehydration but because of the obvious; it'll cause you to get rather cold rather quickly! If you can't and it really is an emergency (the only time...
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If you can, melt it beforehand - not because of dehydration but because of the obvious; it'll cause you to get rather cold rather quickly! If you can't and it really is an emergency (the only time...