Supply Of Carbon Dioxide Gas For Mig/Mag Welding Purpose As Per Is:307/1966 Rev-Ii (Each Cylinder C Apacity -30Kgs) Grade-1 And Co2 Purity Minimum 99.98/99.9%. Note: (I) Collection Of Empty And Delivery Of Carbon Di- Oxide Cylinders Should Be Done Within 24Hrs From The Date Of Intimation. (Ii) Loading And Unloading Of Empty/Refilled Car Bon Di-Oxide Gas Cylinders Should Be Done By The Firm. ]