Oxy-Acetylene Welding and Cutting Electric, Forge and Thermit Welding together with related methods and materials used in metal working and the oxygen process for removal of carbonCHAPTER VIChapter 612 wordsPublic domainELECTRIC WELDING:--Resistance Method--Butt, Spot and Lap Welding--Troubles and Remedies--Electric Arc Welding