Polishing machines, square General acts much like a very large random orbital Sander. It is something that is different than the Rotary floor buffer or abrasive. Rectangular face of the larger humping random orbital What movements or polished to class bar. Imagine stripping varnish off a piece of old furniture. Sometimes, you can effectively use the abrasive tool to remove some. No varnish from wood. Drying machines, square bar, work in the same way. You're off polishing wax coating and dry your floor main.