Look - Think - Act
What is this man doing?


Ask yourself the following questions: What do I see? What does it mean? What should I do? Click on the buttons in the image for more information.

What is this man doing?

He has a handful of wood shavings and throws them into the air.

There is an easy test for dustiness: take a handful of wood shavings and throw them into the air. Watch them fall.

The greater the amount of fine material present, the longer it will take the cloud of dust to settle down.

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