The ventilation.

There's a big hole in that crankcase.

This room has fine ventilation.

They've gone up the ventilation shaft.

Sounds like it's in the crankcase but it could be anything.

But back above ground, these raised ventilation grates for the subway system show that solutions can be both functional and attractive.

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

You see the sunbeams coming from the ventilation ducts and the train approaching.

This is the natural posture of a man sitting, squatting for ventilation purposes.

The ventilation in the room was bad since all of the windows were closed.

Buildings are colonized by airborne microbes that enter through windows and through mechanical ventilation systems.

How to take care in five easy steps first of all, you can use natural ventilation.

I get this delightful breeze through here... which I think is important... because ventilation among friends...

like this building here environments that have mechanical ventilation systems that include filtering, heating and air conditioning.

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The grooves become the kind of green lungs which give views, which give light, ventilation, make the building fresher.

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Checking System

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