A window or windshield wash system for delivering liquid in {HEAD ~ a heated condition} or as steam against the external surface of the window or windshield of an automobile, the automobile including an engine having an exhaust pipe through which the exhaust gases from the combustion of fuel is discharged and wherein {TAIL ~ the exhaust pipe} is heated by such exhaust gases, comprising: 
A window or windshield wash system for delivering liquid in { HEAD ~ a heated condition } or as steam against the external surface of the window or windshield of an automobile , the automobile including an engine having an exhaust pipe through which the exhaust gases from the combustion of fuel is discharged and wherein { TAIL ~ the exhaust pipe } is heated by such exhaust gases , comprising :
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