It is the essential mechanism that separates network switches from network hubs.

It is an essential mechanism involved in fluid balance.

The original design was modified five times, but the essential mechanism has never changed.

Teleology and spirituality are essential mechanisms of all philosophies of history.

THE immune system is usually one of the body's most efficient and essential mechanisms.

So too will the proposed requirement that employers contribute to the cost of their workers' health insurance, the essential mechanism in the Clinton plan.

This technique proved to be an important model for further studies to determine the essential mechanisms controlling neuromuscular junction development and maintenance.

That requirement is an essential mechanism for achieving universal coverage.

The essential mechanism is uninjured, and the rest can be replaced.

The necessary checking and quality control of products is an essential mechanism in achieving this objective.