Much like the phone welders have had a constant and dramatic technological movement. Over the years of development from the basic electrode welder which was a manually manipulated the same way the manual telephone exchange was used to direct calls the welder placed the leads to the power level that was needed. Today the inverter welders are 1/10 the weight and the current is computer controlled by electrode size, application and the twist of a button. The welding out put is the same. #computers #cserTask4

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