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.
What is real ale? What's the difference between ale' and other beers? There are a huge range of different beer styles, each with different qualities, tastes and strengths, but each falls into one of two main categories; ale or lager. The key difference between ales and lagers is the type of fermentation.