1. CARBON- DI- OXIDE GAS, 2. REPLACEMENT OF WORN OUT, VALVE SPINDLE FOR 36KG CYLINDER, 3. REPLACEMENT OF, VALVE FOR 36KG CYLINDER, 4. REPLACEMENT OF VALVE, CAP FOR 36KG CYLINDER, 5. REPLACEMENT OF GLAND NUT, FOR 36KG CYLINDER, 6. DEGREASING OF 36KG CYLINDERS, 7. PAINTING OF 36 KGS CYLINDERS, 8. PURGING OF 36, KGS CYLINDERS, 9. HYDRAULIC TESTING OF 36 KGS NPCIL, CYLINDERS, 10. HYDRAULIC TESTING OF 45 KGS NPCIL, 11. REPLACEMENT OF WORN OUT VALVE, SPINDLE FOR 45 KG CYLINDER, 12. REPLACEMENT OF, VALVE FOR 45 KG CYLINDER, 13. REPLACEMENT OF VALVE, CAP FOR 45 KG CYLINDER, 14. REPLACEMENT OF GLAND, NUT FOR 45 KG CYLINDER, 15. DEGREASING OF 45 KG, 16. PAINTING OF 45 KGS CYLINDER, 17., PURGING OF 45 KGS CYLINDER