As the web gets more sophisticated, we find new variations all the time.

The survey found little variation in responses by geographic region.

Other studies then found huge variations, and a significant lack of homeostasis in natural systems.

The study also found considerable variation among countries that were at the same level of industrialization and economic development.

Other than the sizes of the buildings, he had found little variation marking one area from another.

The whole system needs a re-think, not trying to find variations on the same broken model.

But even within the states with the best level of care, the study found enormous variation from county to county.

And they tried to change the recipe, hoping to find variations that would work at even higher temperatures.

The study found wide variations in how different nationalities were treated.

Within each of these categories, you will find still further variations in shape, dimensions and options.