把鍋倒空坐在炭火上，使鍋燒熱，使銅燒紅，鎔化其中的污穢，除淨其上的銹。
Then set it empty upon the coals thereof, that the brass of it may be hot, and may burn, and that the filthiness of it may be molten in it, that the scum of it may be consumed.