You've definitely been there -- you need to make a large batch of your favorite punch recipe quickly for a party. You went to pour your liquid from a bottle and were met with that slow glugging ...

However, if your party runs more than three hours (or your guests are really enjoying your punch) you might consider making up to 2 gallons for every 10 people. For example, if you're expecting 20 ...

About thirty years ago [H. P. Friedrichs] pulled off a hack that greatly improved the process of programming with punch cards. At the time, his school had just two IBM 029 keypunch machines.