Included horizontal milling machine, machining and shiny metallic round detail, with an active jet of coolant. He grinds in center of rounded billet center with a sharp blade, fastened on machine. In treatment area served white liquid contributing to cooling of tool and workpiece. Drops drain downwards or splattered in a circle. She served jet in area but in end sprayed and remains on entire surface of part and old machine. Working area of machine operator is highlighted with lamp.