Supply Of Supply Of Commercial Nitrogen Gas With Purity Of 99.5 Percentage Conforming To Is 1747 1972,supply Of Commercial Oxygen Gas With Purity Not Less Than 99 Percentage Conforming To Is 309 1974,supply Of Dissolved Acetylene Gas With Purity Not Less Than 96 Percentage Conforming To Is 308 1998 2nd Revision.,supply Of Uhp Argon Gas With Purity Not Less Than 99.9995 Percentage 5.5k Grade.,testing And Re Certification Applicable Only When The Cylinder Is Due For Hydraulic Testing As Per Peso Guidelines.,painting Charges Per Cylinder.,acetone Charges For Da Cylinders.,cylinder Valve,valve Spindle,gland Nut Of The Valve,valve Guard Cap,drilling Out Broken Spindle Valve.,transportation Charges For Collection Of Empty Cylinders And Delivery Of Refilled Cylinders To And Fro.