It is compliant. You can actually change the force, simply just changing the air pressure.

An air reservoir behind the bolt contains the air that is to fire the paintball.

Breath of Fresh Air

An airship is lighter than air.

To live without air is impossible.

Without air, nothing could live.

There is no air in space.

The picture was taken from the air.

There is no air on the moon.

Let in some fresh air.

Let some fresh air in.

There's no air on the moon.

Tom wanted some fresh air.

Let some fresh air in.

...Media pressure

Air Quality in China A Snapshot

We would die without air.

The picture was taken from the air.

She went outside to get a breath of fresh air.

I feel lighter than air.

Without air we would die.

Without air we would die.

I just need some air.

The tire needs air.

We need air support!

There's no air in this room.

Forget the pressure.

Oppression before the elections

Pressure on Vkontakte

Tom had his blood pressure taken.

Tom is feeling the pressure.

We were monitoring his PO2 of his blood, his heart rate, his blood pressure.

Pollution remains a grave challenge as well.

The overnight temperature will be 10... 12º С.

This district is notorious for air pollution.

This village is free from air pollution.

This tire needs some air.

Men can not exist without air.

This dust is impossible to filter from the air.

There is no polluted air in our city.

Industrial emissions cause air pollution.

Water is 800 times heavier than air.

Plants can't grow without air.

I just need some fresh air.

Humans can't live without air.