3 Emulsifying compositions for cleaning tanks and double bottoms in marine vessels; compositions for cleaning toilets, sinks, showers and similar facilities in marine vessels; oil dispersants for the removal of oil spills at sea, coastal waters and beaches; rust removing preparations for removing rust from metal services in marine vessels; compositions for the removal of soot and firescale deposits from boilers and diesel engine exhaust systems; chemical preparations for removing rust in marine vessels; chemical compositions for the removal of carbonaceous and varnish deposits from lube oil separator disks and fuel oil heaters; solvent emulsifiers for cleaning tanks and degreasing oil coolers, pre-heaters, bilges, etc. in marine vessels; solvents and emulsifiers of oil, grease, fuel oil, pitch, for cleaning tanks, boilers, machines, decks, pipes, burners, filters, etc. in marine vessels; antifoulants for treatment of biological growth; liquid soaps; general purpose cleaners for marine vessels; cleaners for oil filters in marine vessels; cleaners and degreasing solvents for electrical components in marine vessels; liquid compositions for the removal of cement deposits from surfaces; cleaners for the removal of paint and lacquers layers in marine vessels; detergents for engine room degreasing and for cleaning and gas freeing of bilges in marine vessels; degreasers for the removal of oils and fats from surfaces in marine vessels; cleaners of air coolers and turbo blowers in marine vessels