Getting the dust out of the air means you can take off the apparatus between operations. Imagine you're cutting a few boards. Once you've done that, you move ov

Getting the dust out of the air means you can take off the apparatus between operations. Imagine you're cutting a few boards. Once you've done that, you move over to your workbench to start planing. After that, you're going to glue them together. You don't want to keep the PAPR on for the next 2 hours as you do planing and gluing work.