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Electric welders are tools used to weld two pieces of metal together by fusion. Electric welders use electrical current to create an arc or resistance connection between the metal parts being joined. There are several types of electric welders, including: Arc welders: these use an arc created between the electrode and the metal being welded to fuse the metals. Resistance welders: these welders use electric current to heat and fuse the metals at the joint. MIG/MAG welders: these welders use a shielding gas that is passed around the weld to protect the weld and produce a uniform weld. Electrode welders: these welders use a coated electrode to create an arc between the electrode and the metal being welded, fusing the metals. Electric welders are used in a variety of applications, from fabricating metal structures and vehicles to repairing metal objects and piping. It is important to select the right type of welder for the application and ensure that it is operated by trained and experienced personnel to avoid accidents.