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.
A bartender prepares, pours and usually serves a variety of alcoholic and non-alcoholic drinks to customers at public establishments or venues licensed to serve alcohol; bartenders may also work in private settings. Beverages usually include mixed drinks, bottled wine and beer.