NASTOA

Metalworking machines and metalworking machine tools; electric welding machines for metalworking, namely, resistance welding machines, arc welding machines, plasma welding machines, tig welding machines, welding torches for metalworking and their parts and fittings; electric arc welding machines and their parts and fittings; gas welding machines and their parts and fittings; electric spot welding machines; electric seam welding machines; electric butt welding machines; electric flash butt welding machines; electric resistance welding machines; inverter-controlled electric arc welding machines; inverter controlled electric welding machines for metalworking; welding industrial robots and their parts and fittings; electric arc cutting apparatus; control apparatus, namely, welding jigs and fixtures for electric arc welding; welding electrodes for welding machines; spatter elimination apparatus, namely, cleaning machines for welding machines and weld electrodes using magnetic power

Electrical power distribution blocks and units; power transformers for welding apparatus; transformers for heating apparatus for metalworking; transformers; electric connectors; diodes; rectifiers; power supplies; power-supply for welding apparatus; inverters for welding apparatus; voltage regulators and power controllers for use with electric welding apparatus; voltage regulators and power controllers for heating apparatus for metalworking; electric wires and cables; thyristors for welding apparatus; computer communication terminal devices for remote control of welding machines; electronic apparatus for the remote control of welding machines; electronic devices, namely, energy meters for tracking and monitoring energy usage of welding apparatus; automated pressure control machines and instruments for welding apparatus; computer programs for use in electronic storage of data for use with welding devices and related electronic control systems; pressure gauges for welding apparatus; voltage and power measuring apparatus, namely, energy and power analyzers and meters for welding machines for tracking and monitoring energy usage