Plasma arc cutting machines and replacement parts therefor; plasma arc torches, electrical power supplies, water supplies, gas consoles, electrical leads, control panels, noise and pollution suppressors, and replacement parts therefor; machines and machine tools for the cutting, marking, scoring, and forming of materials; high-temperature cutting machines and replacement parts therefor; high-temperature cutting machines featuring lasers for cutting, sold as a unit; consumable parts for plasma arc cutting machines, namely, torches, torch cartridges, nozzles, electrodes, retaining caps, swirl rings, shields for use in torches, shield caps for use in torches, deflectors, cooling tubes for use in torches, and o-rings; waterjet cutting machines and replacement parts therefor; cutting heads for power operated waterjet cutting equipment; replacement parts for power operated waterjet cutting equipment, namely, nozzles, orifices, alignment inserts, housing inserts, adaptors, valves, tubes, water jet nuts, threaded discs, and seats; water pumps and replacement parts for water pumps used in power operated waterjet cutting equipment, namely, seals, hoops, back-ups, cylinders, stems, seats, rings, bearings, caps, poppets, springs, adaptors, tubes, pins, filters, needles, and cylinders; abrasive regulators for use with power operated waterjet cutting equipment; and abrasive pots for use with power operated waterjet cutting equipment