Quote:
Originally Posted by VinDurzle
A bottle can sit in a fire an not break. It will melt if the fir is hot enough. It wont break unless corked/capped and expanding air breaks it or it is hit in some manner
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My experience with camping and drinking is that a bottle, when placed in the hot coals of a fire, will very slowly melt over the course of the evening. It breaks only when its drunken owner tries to clumsily retrieve it - or when it is actually removed from the coals and immediately placed on a cold rock. Therefore, the sign is obviously aluminum.