52 CLEANSING COMPOSITIONS INTENDED FOR USE AS ADDITIVES TO FUELS AND LUBRICANTS OF INTERNAL COMBUSTION ENGINES FOR CLEANING INTERNAL SURFACES OF THE SAME; CLEANSING AND RUST-INHIBITING COMPOSITIONS FOR FIREARMS, FISHING TACKLE, AND THE INTERIOR OF INTERNAL COMBUSTION ENGINE RADIATORS; AND CLEANSERS FOR THE HANDS, VEHICLES, EXTERIOR SURFACES OF INTERNAL COMBUSTION ENGINES, GLASS SURFACES, TIRE SIDEWALLS, AND GENERAL HOUSEHOLD USE