div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: · 2016 4 21 · AW Arc welding Shielded JIS Z 3001:13 JIS Arc welding Manual metal arc welding SMAW Gravity welding with covered electrode src=https:reader035vdocumentsusreader035viewer2022081602614699c57599b83a5f00537bhtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdiv