Certain models of alternative education employ the approaches suggested by the theory.

Although a useful construct, this model employs considerable overlapping among individual phases.

All models as of 1996 have employed this design.

The original models, introduced in 2001, employed rechargeable batteries which lasted about three days before needing to be recharged.

A concept so foreign at the time that one confused model employed by the company famously zipped them up with the zipper on the back.

Their models employed combinations of uniform circular motion and were centered on the earth.

In practice, petrologic models employ advanced forms of the polybaric concept for greater physical plausibility.

These models, however, employ electronic viewfinders - that is, a tiny TV screen inside the eyepiece, rather than a clear piece of glass.

Recent models, however, employ various new methods to counteract this.

This model employs systems theory to improve productivity or to streamline the relationship between an organization and its environment.