They didn't use to allow such things when I was young.

A sign bit may also be used to allow negative numbers.

The ice was used to allow goods to be brought to market.

And it may some day be used to allow medical students to "travel" inside the body to learn what the different parts do.

The university would use the cost savings to allow it to build a new law school.

They were used as a rear guard to allow the King to escape.

This can be used to allow for a better connection between the viewer and the character.

A special rule was used for this fight to not allow any knee strikes on the ground.

They are also used in test-driven development to allow classes to be put under test.

It is typically used to allow a regional government office more time to consider proposals.