The common physical model of a Klein bottle is a similar construction.

In order to guarantee the stability of all the nations, it seemed indispensable to have a common model.

The picture on the right illustrates the relationship of some common models.

Listed below are some of the most common models.

Indirect subsidies are a more common model of government intervention.

It is one of the three common models of evolution.

The eight exchanges agreed today to a common model and a list of operating principles.

The most common formal economic model associated with fan labor practices is a gift economy.

The requirements were similar, because the companies followed a common, generic, business model.

A very common model is to have a primary tier with expensive, high performance and limited storage.