21.   Changing economic conditions around the world, as well as the slump in Switzerland, are the driving forces for the deal.

22.   Continuous signals reflecting changing conditions of air turbulence are sent to a small deformable mirror installed in the telescope.

23.   Electronic concrete is an industry term for a slow buildup of different software that cannot easily be modified to adapt to changing conditions.

24.   For ice climbing, it means always wearing a helmet, understanding the equipment, placing proper protection and being aware of changing conditions.

25.   For that reason, the military puts a premium on flexibility and quick thinking in the field to adapt to changing conditions.

26.   Gallanter is also advising her companies to rethink their business strategies in light of changing conditions.

27.   He should understand why we have the Constitution, and how it fits changing conditions yet stays the same.

28.   How changing social conditions and longer life expectancies affect our lives.

29.   It should develop a capability to respond to changing conditions, avoid swinging between extremes, and eschew the legislative hubris and flip-flopping that has characterized it lately.

30.   Last week, NATO leaders decided to update that assessment to reflect changing conditions on the ground.