See also. 1  Einstein protocol. 2  Light-second. 3  1 petameter (examples of distances on the order of one light-year) 4  Orders of magnitude (length) 5  Hubble length.
The bar is used also as a staging point for mixing drinks, interacting with customers, and storing various equipment such as cups, garnishes, and so forth. When people do distinguish between a bar and a tavern, they usually think of a bar as an establishment where only alcohol is available, while a tavern offers food as well as alcohol.
So then what really distinguishes an ale from a lager? The difference is yeast. Not whether or not it's used, but the specific type. But from this relatively small variant comes a whole slew of changes and differences that make these two beers very unique. Ales - Ales are brewed with a top-fermenting yeast that thrives at mid-range room temperatures.