For example, we can design our buildings to use sunlight and natural air circulation so that they require far less commercial energy for heating, cooling, and ventilation.

Furthermore, the capsule has an autonomous ventilation and fire extinguishing system.

Breath of Fresh Air

An airship is lighter than air.

The system will be charged with establishing correlations between air pollution and people's heath, and the first batch of the monitoring sites, a total of 43 and all in smog prone provinces, will be put to work this year.

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.

So the very first thing we wanted to do in this building was look at the air system.

We blocked them off at night so that they got no ventilation.

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.

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.

The system is unstable.

The System is Working

Contractual arrangements

Informal system