Man uses rotary sander with dust extraction to strip plaster from concrete wall efficiently.

The man is utilizing a rotary sander equipped with a dust extraction system to strip plaster from a concrete wall. The sander features a circular attachment with an integrated brush to contain dust particles during the sanding process. Connected to a vacuum, the system effectively captures and eliminates airborne dust, ensuring a clean work environment. This method efficiently restores the concrete surface by removing the top layer of plaster.