3 LABORATORY SURFACE CLEANERS, DRAIN AND SEWER OPENERS, WAX AND POLISH REMOVERS, OIL AND GREASE AND DIRT EMULSIFIERS FOR FLOORS AND OTHER INTERIOR SURFACES, FLOOR AND SURFACE CLEANERS AND SEALING AGENTS IN THE NATURE OF WAXES AND POLISHES FOR INDUSTRIAL, COMMERCIAL AND MUNICIPAL FACILITIES, FABRIC CLEANERS AND CLEANING AGENTS FOR ELECTRICAL AND MECHANICAL EQUIPMENT, AND ALSO FOR THE MAINTENANCE OF INTERIOR PREMISES SURFACES; DEGREASERS AND ALL PURPOSE CLEANSERS