If they do, the industry could divide into at least three layers of competition.

Rock can be formed into layers in a variety of ways.

The interior of Earth is divided into 5 important layers.

As the wind was forced over the front wall, it separated into two layers.

In this model, a networking system was divided into layers.

The country is divided into three layers of administrative divisions.

In that initial sale, Russia broke the industry into two layers.

In advanced forms the test wall is differentiated into two or more layers.

Next, group the services into layers according to function.

Scientists divide the atmosphere into four layers based on temperature.