Sander: A power tool used for smoothing and finishing surfaces by abrasion making use of sandpaper or various other abrasive materials

https://canvas.instructure.com/eportfolios/2698115/caideneaha832/The_Future_of_Tools_Discovering_Innovative_Technologies_in_the_Tool_Market

Sander: A power tool used for smoothing and ending up surfaces by abrasion making use of sandpaper or other rough materials