These features permitted as much air flow and natural light as possible.

VOA: special.2009.08.21

It's usually a combination of temperature,even air flow.

VOA: standard.2010.05.05

The doctor says you should point the device so the flow of air is just in front of your face.

VOA: special.2009.07.14

Finally,leave space between the food containers and the walls of the cold storage area so air can flow.

VOA: special.2009.11.30

It provides a continuous flow of air into the throat and lungs while the person sleeps.

VOA: special.2011.05.04

This makes it difficult for air to flow in and out of the lungs.

VOA: special.2009.07.28

But they also advise leaving enough space between the plants so air can flow.

VOA: special.2010.06.29