Goggles to keep dust out of eyes were used by some.

You have to let the gases escape while keeping dust out.

A negative ventilation system helps keep dirt and dust out of egg storage areas.

It helps to filter the air that enters the darkroom to keep dust out.

Wooden boards should be covered after use with a silk cloth to keep dust off.

The water fog's a good idea, ought to keep dust and stuff down.

These keep dust and rust out of your weapon's nozzle.

Some used goggles to keep dust out of the eyes.

Some have central air-conditioning to keep dust out of their house.

It works to keep dust out, trust me.