Although the Latin in some instances differs from that of the purest models, the work was for a long time a favorite elementary school-book.

Let us just say that we are dealing with pure conceptual models of types of social action.

In those pure economic models there is no room for negotiations and special treatments for different companies.

And the Web dies, because it returns to a pure 100% stateless model that can't support anything besides serving static content or purely anonymous postings.

CVS is based on a pure centralistic organizational model and offers very little offline support.

The intelligence community often discusses the problems with this pure model and offers multiple approaches to solving them.

In the pure model, there is limited opportunity for contributors or consumers to ask questions or provide feedback.

It is important to note that agencies constantly modify the traditional, pure model in intelligence practice.

To the extent that the model expresses such semantics internally, it is not a pure model.

"The whole evolution of economic thought in 500 years shows that pure models always run into problems," Mr. Museveni said.