11.   One is an emissions trading scheme that is designed to use market mechanisms to allow countries to achieve their emissions targets at the lowest possible cost.

12.   Paul also said that the government would continue to support efforts to develop a vaccine, but would focus on second-generation vaccines using new mechanisms.

13.   Safeway began using the mechanism on its carts at four Bay Area stores late last year.

14.   The arm operators had also planned to use the mechanism to unlatch, open, close and relatch the door on a small cabinet.

15.   The Freeplay products use a mechanism that winds a steel spring from one spool to another.

16.   The two types of detectors use different mechanisms to detect these particles.

17.   Worse, China could use the mechanism against Washington, to challenge the trade sanctions that Washington periodically slaps on Beijing.

18.   Aharonishky said a delay mechanism was used to time the explosions.

19.   But Mr Fisher refused to elaborate on the criteria, saying only a systematic mechanism would be used to evaluate the candidates.

20.   He noted that Western models for using market mechanisms to regulate such monopolies will not work in Russia.