Liquefied Petroleum Gas (Lpg) For Metal Cutting Gas As Per Is:4576/1999 (Reaffirme D 2009) Filled In 19 Kg Capacity Firms Cylinder On Door Delivery Basis As And When Required. The Cylinders Will Be Returned As And When Become Empty, By Railways To Firm And The Empt Y Cylinders To Be Collected By The Firm. [ Warranty Period: 30 Months After The Date Of Delivery ] ]