Mechanical cells use a large mixer and diffuser mechanism at the bottom of the mixing tank to introduce air and provide mixing action.

Flotation columns use air spargers to introduce air at the bottom of a tall column while introducing slurry above.

These would pull the moisture out without introducing cold air into the room.

In fact, in some extreme situations, testing showed these fans to be recirculating hot air rather than introducing cool air.

A source of moving air, such as a fan or bellows, introduces additional air into the fire through the tuyere.

Keep stirring, but not vigorously, because you don't want to introduce air.

The simplest and earliest procedure was to introduce air into the pleural space so as to collapse the affected lung and therefore the open cavity.

HRV introduces fresh air to a building and improves climate control, whilst promoting efficient energy use.

As worms tunnel through the earth, they help to introduce water and air into the soil.

When you disturb the soil with a hoe, you introduce air, which dries out the eggs and larvae.