00589nam a22001697a 450000500170000000800410001702000180005808200250007610000180010124500900011926000460020930000460025550400520030152600120035360000320036560000220039720260505104948.0260505b ||||| |||| 00| 0 eng d a9781984634290 a671.5212 bT531 20191 a3G E-learning aShielded metal arc welding : badvanced (in compliance with NC III) /c3G E-learning. aNew York, NY : b3G E-learning, cc2019.  aviii, 381p. :bcolor illustrations ;eDVD aIncludes bibliographical references and index.  a600-699 aShielded metal arc welding. aElectric welding.