The four panels labelled a to d present sewing machine workstations before and after 5 S. Panel a shows a cover sewing machine with cluttered tools, threads, and materials around the table and floor. Panel b shows the same machine arranged neatly with a clear table surface and organised items. Panel c shows an overlock sewing machine with scattered tools, threads, and fabric pieces across the table. Panel d shows the overlock machine after arrangement with a clean workspace, minimal items on the table, and tools placed in an orderly manner.