At all times!
A hour or two either side of opening. Try to clean as you go when serving. Obviously, if very busy, cleaning is delayed, but if a quiet few minutes occur, have a quick mop round with a cloth, or clean a few glasses, etc.
the best time to use a bar graph is when you have to plot something
At all times!
maintaining the cleanlliness of the bar
Read, clean,
BACKSPACE
I use a bar graph to represent my favorite pies, and a pie graph to represent my favorite bars.
when it is turned off and cooled down
no
The best time to clean a fish tank is time that is available to you every week for maintenance.It's a good idea to set aside time one day each week (preferably the same day so you never forget) to do at least a 50% water change, and to clean any debris or waste from the tank.
Our best selling bar is the "Mars bar". Known in the states as "Snickers almond bar".
It protects the surface of your bar and makes it easier to clean up.