Services of the Coating with Dry Lubricant of Metal, Plastic, Fabric, Rubber and Neoprene for Machine, Vehicular, Aircraft and Industrial Use; for Services of Electrolytic Deposition of Low Melting Point Metal for the Facilitation of Soldering or Electronic, Aircraft and Other Industrial Use; and for Services of Hardening the Surface of Metals and Ferrous Alloys for Machine, Vehicular, Aircraft and Industrial Use

the Services of Non-Destructive Testing of Metal and Plastic Parts for Machine, Vehicular, Aircraft and Industrial Use for the Purpose of Research and Development in the Foregoing Fields of Coating and Testing