1.  Of course, aircraft were flying long before the development of powerful mathematical models.

2.  A more powerful new model will cause price cutting on older technology.

3.  A phone due next month is a powerful cordless model equipped with enhanced call waiting.

4.  But with Japan in its second decade of an economic funk, it no longer represents such a powerful model for American manufacturers.

5.  Navy officials have begun to replace them with more powerful models.

6.  Some computer manufacturers could incorporate satellite reception as a standard feature of their more powerful models in time for next Christmas, officials said.

7.  True, the sputtering Cincinnati team they beat lacks the horsepower of past, more powerful models.

8.  U.S. corporate customers bought more PCs, while workstation and server sales rose as major vendors unveiled powerful new models.

9.  --We are powerful models for our children.

10.  Eight people have been arrested on charges they altered Intel Corp. computer chips to make them appear to be more powerful models, Singapore broadcasting reported Thursday.