Rods of metal for welding; metal welding rods

Inverters; electronic controls for welding apparatus; electronic equipment for use in controlling welding machines, namely, welding transformers, electronic devices for transforming direct current into alternating current, devices for connecting a plurality of welding heads or guns to an inverter; computer hardware and downloadable and recorded software for controlling or testing of welding machines or for assessing and docketing of welds; computer hardware and downloadable and recorded softw...