ECB(i)
11 and stand it empty on the coals, that heat and scorch the copper thereof so that the foulness thereof melts in the midst - to consume the scum thereof.
12 She wearies herself with mischiefs and her great scum goes not from her: her scum is in the fire.
13 In your foulness is intrigue: because I purify you; and you purify not: you purify not from your foulness any more until I rest my fury on you.