11.  Conventional solid-fueled torpedos use silver in critical components, but the liquid-fueled versions do not.

12.  Critical components like control cables, Peat noted, are subject to special inspection requirements.

13.  Experts in political uses of the Internet say that disclosure is a critical component of candidate selectors online.

14.  For Net-based applications like e-mail, the PC itself may not be the most critical component of a system.

15.  Hatcher was a critical component in a gold medal for an underdog U.S. team.

16.  He allowed the testimony of Dr. Henry Lee, a forensic specialist whose scathing assessment of police procedures was considered a critical component of the criminal defense presentation.

17.  If consumer spending is such a critical component of any economic recovery, where does business fixed investment fit into the equation?

18.  I think perhaps the most critical component to a quality school is the establishment of rigorous academic standards.

19.  In addition to the payments, Russia is expected to produce a service module, a critical component of the space station.

20.  In metro Atlanta, highway sources account for about half the emissions of nitrogen oxide, the critical component of smog formation in the region.