div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: · TWG - BGAS - CSWIP CERTIFICATION BGAS Fees COURSE B-GAS Preparatory Course B-Gas Requirements : 1 Color vision is a must Duration 5 days 10 - 15 days 2 English knowledge is src=https:reader030vdocumentsmxreader030viewer20220216005e999c0e68e8415c8911e326html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdiv