1.  Auto air-conditioning experts do not recommend converting cars unless an expensive component of the system needs to be replaced.

2.  Chips are a much more expensive component of personal computers than the operating system software and Internet browsers at the center of the Microsoft dispute.

3.  In addition to less expensive components and excess manufac turing capacity, computer makers are getting more aggressive in their marketing, industry experts said.

4.  Next to hard drives, such micro processors are the most expensive component of most PCs.

5.  That exotic technology propels the train through a combination of expensive components cooled by liquid helium and super-high voltage.

6.  The major bugaboo of all attempts to reduce launch costs is that present multi-stage launchers must discard expensive components, if not the entire spacecraft, after every launch.

7.  The Russians also will likely lower the number of habitable research modules they plan to contribute to the new station or substitute less expensive components, Trafton said.

8.  In the process, the dependence on expensive foreign components and precision high-technology child parts will be reduced, he said.