sentence: A man uses a course brush and hand towel to prepare the ski to be worked on while it sits on a rack. sentence:  The man melts a wax bar across the ski surface with an iron then uses it to blend in the wax. sentence:  A man sharpens a flat edge then scrapes the outer layer of wax from the skis surface. sentence:  The man uses a course brush then a towel to finish preparing the skis surface.