21.   High-temperature superconductors are already used to improve signal reception in cell phone towers and for sensitive magnetic probes in scientific equipment.

22.   Last month, in an interview, NatWest Chief Executive Derek Wanless said the money would be used to improve its core businesses or for a buyback.

23.   Later, liquid hydrogen will be used to improve the range.

24.   Most of the funds would be used to improve response capabilities of hospitals, medical workers and health departments, Frist said Tuesday.

25.   Moreover, if the revenues were used to improve public transport, the poor would benefit disproportionately.

26.   Newsom said private money would be used to improve the field.

27.   Occasionally, peer appraisal is used to improve ties between groups.

28.   Russian engineers, who generally are used to improve designs for existing airplanes rather than developing new products, are also relatively inexpensive.

29.   Russian engineers, who are generally used to improve designs for existing airplanes rather than develop new products, are also relatively inexpensive.

30.   Some of those savings will be used to improve features, such as possibly making antilock brakes standard.