1.   A massive object containing a small quantity of C- field begins to collapse when the pressure is no longer adequate to prevent it.

2.   And by now there was pressure to hire staff, with the launch date less than six months away.

3.   And the terrible, interminable pressure of politics is one of the most moving thing about the opera.

4.   And the trouble is that once one person plays the stress card, the pressure to conform is huge.

5.   Any lack of required work effort by an individual will affect the immediate group bonus and so peer pressure can be significant.

6.   Anyway, on with my story, for soon other pressures were to be brought to bear.

7.   As the war moved northwards, there was greater pressure on the hospital and our convalescent homes.

8.   But is commercial pressure to blame?

9.   But there has been pressure from the Department of the Environment to ratify the convention.

10.   Each contour line connects the points on the surface of the building where the wind pressure is equal.