1.   If you open the valve on the tyre, air flows out until the pressure inside the tyre equals that outside.

2.   The cooling fan blows air out of the system unit thus lowering the pressure inside.

3.   Moisture ran from her brow as the fire flourished and crackled and the pressure inside her gathered fearful momentum.

4.   But it then subsides quickly as the pressure inside the tank decreases once its walls have burst, Clodfelter said.

5.   But legal scholars across the political spectrum have contended that in freeing counsels from political pressure inside the administration, the law also left them largely unfettered.

6.   But since houses are not airtight, the pressure inside the house quickly adjusts to the outside drop as air escapes through cracks, keeping the house from exploding.

7.   Coals which produce a hard, strong coke, capable of withstanding the enormous pressures inside blast furnaces, command premium prices.

8.   He said they make it easier to fine-tune pressure inside the brain.

9.   He showed that wrist splits that keep the hand cocked only add to the pressure inside the wrist.

10.   If you drain your basement too quickly, the pressure outside will be greater than the pressure inside and that may make the walls and floor crack and collapse.