Composite ceramic materials of all kinds, namely, engineered ceramic and composite materials for the hardening and preservation of metal; [ ceramic glazings in the nature of a dry chemical preparation for use in the manufacture of ceramics; ] chemicals used in industry and science, other than adhesives and glue; [ unprocessed artificial resins, unprocessed plastics; tempering and soldering preparations; ] metal hardening preparations, namely, silicon carbide and chemicals for use in the hardening of metal [ ; metal tempering preparations ]

Pumps, included in this class; machines, included in this class; machine housings; motors and engines, other than for land vehicles; couplings and belts, other than for land vehicles; parts of pumps, machines, motors, engines and couplings; sewages pulverizers; driving motors, other than for land vehicles; mineworking machines; seals for pumps, motors and engines; speed regulators for machines, motors and engines; pneumatic transporters; compressed air machines; compressed air motors; compressed air pumps; pressure valves being machine parts; ejectors; filters being parts of machines, motors or engines; blowing machines for the compression, suction and transport of gases; gear boxes, other than for land vehicles; molds being machine parts; taps being parts of machines, motors or engines; compressors for machines and refrigerating installations; condensing installations; condensers being parts of machines; axial condensers (part of machines), radial condensers (part of machines), coaxial condensers (part of machines), tubular condensers; steam condensers; air condensers; regulators being machine parts; pneumatic tube conveyors; suction machines for industrial purposes; sliders being machine parts; control mechanisms for machines, motors or engines; turbines, other than for land vehicles; turbocompressors; vacuum pumps; crushing machines for industrial purposes

Installation and assembly of mechanical equipment, in particular of pumps; cleaning of mechanical equipment, in particular of pumps; repair or maintenance of mechanical equipment, in particular of pumps, heating installations, air conditioning installations, refrigerating installations and ventilating installations; installation, maintenance and repair of machines; varnishing; rustproofing; emery polishing; reconditioning machines, machine parts or pumps that have been worn or partially destroyed