The addition of the personal number, is a local variation.

Many local variations of the calls can now be found.

There are several local variations of this system in use.

They breed through much of the year with local variation.

There are many local variations on this group dancing, including the following.

Local variations in rules are common and make it difficult to document the game.

Without regional and local variations, a further gap will be created.

There are local variations in the slopes of the land within the division.

"These results indicate that it's also important to consider local variations in air pollution."

Sure, but it won't be much good for local variations!