"American Proof" : American introduced their own system, which was reasonably logical when they decided that Sikes was not an exact scale, in this scale, pure alcohol is 200 proof. Consequently, 100-proof whiskey contains 50 per cent of alcohol by volume; 86-proof whiskey contains 43 percent of alcohol by volume.
"Humidity" Some degree of humidity is required in order to keep wines with cork enclosures from drying out. Even when wine bottles are stored on their sides, one side of the cork is still exposed to air. If the cork begins to dry out, it can allow oxygen to enter the bottle and possibly causing the wine to spoil or oxidize. "Temperature" Keep the temperature constant for extended aging of wine (over 1 year), refrigeration is a must in most parts of the world; even a below-ground cellar is not cool enough. Wine storage temperature should not go over 75ÚF (24°C), for longer than brief spans of time. At 75°F, wine begins to oxidize. An ideal temperature for storing a varied wine collection is 54°F (12.2°C).
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