process the water is led through a non illustrated injection device into which detergent can be put either in powdered and or liquid form in the process the detergent is injected into the housing 1 as soon as a desired level of liquid in the housing has been reached or a specific predefined quantity of liquid has run in the generator 5 stops the supply of fresh water and begins to remove water from the sump 18 and lead it to the liquid nozzles 8 the water being heated up to an intended temperature the water to which the detergent has been added in the meantime is in this way circulated as washing liquid and can additionally be sprayed onto the clothing 2 from the inside through the hanging devices 4 in such a pass dirt is washed out of the clothing 2 then in a rinsing phase the discharge pump 12 pumps the washing liquid away into a wastewater connection the clothing 2 is then rinsed to remove the washing liquid from it for such a purpose in a number of rinsing passes fresh water is pumped to the liquid nozzles 8 and the water together with the washing liquid rinsed out is pumped away by the discharge pump 12 the rinsing action is intensified in that at the end of each rinsing pass the liquid supply to the liquid nozzles 8 is interrupted and the compressed air nozzles 7 are supplied with compressed air if the clothing 2 is moved through between the compressed air nozzles 7 it is pressed together by the compressed air jets as a result the.