Dusting and Preparing Surfaces

What happens here

The painter emphasizes the importance of preparing surfaces for a smooth finish, specifically for window sills. He uses an old paint brush to thoroughly dust the window sill, making sure to remove any debris or dust particles that could get trapped in the wet paint. He mentions that window sills should be extremely smooth. He also states that the doors will be sprayed next before proceeding to the window sills.

Goal: Ensure smooth finish by dusting surfaces