supply of argo shield gas for mig welding machine gas mixture of 82% argon +18%co2 as per en439-m21.(capacity:7cum each cylinder) , argo shield gas for mig welding machine gas mixture of 82% argon +18%co2 as per en439-m21.(capa city:7cum each cylinder) as and when required item, empty cylinder not available at consignee end. firm will be supply re-filled cylinder to consignee, when argo shield gas used by consignee empty cylinder will be collec t by firm note: item to be part supplied as and when required [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]