Vodka is unique as its distillate is not aged, and it is produced from a variety of fermented grains, not just potatoes.
Vodka is distinctive in that the distillate (ethanol collected via distillation) is not aged, unlike other spirits like whiskey.
Furthermore, fermentation liquid used in vodka production is typically from fermented grains like wheat, rye, or potatoes, not limited to potatoes.
The aging process in oak barrels is not a characteristic of vodka but is commonly seen in spirits like whiskey.
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