FILLING OF LIQUID CHLORINE CONFIRMING TO IS 646- 1986, IN OUR CHLORINE TONNERS OF ABOUT 900 KGS NET, CAPACITY AS ON WHEN REQUIRED BASIS, FILLING OF, LIQUID CHLORINE CONFIRMING TO IS 646- 1986 IN OUR, CHLORINE SMALL CYLINDERS OF ABOUT 100 KGS NET, MANDATORY, MAINTENANCE JOBS OF TONNERS- HYDRAULIC TESTING, MANDATORY MAINTENANCE JOBS OF TONNERS- WASHING, MANDATORY MAINTENANCE JOBS OF TONNERS- CLEANING, AND PAINTING, MANDATORY MAINTENANCE JOBS OF, TONNERS- REPLACEMENT OF DEFECTIVE VALVES, MANDATORY MAINTENANCE JOBS OF TONNERS- PLUG, REPLACEMENT, TONNERS- VALVE PROTECTOR, MAINTENANCE JOBS OF TONNERS- VALVE NUT, MANDATORY MAINTENANCE JOBS OF CYLINDERS-, HYDRAULIC TESTING, CYLINDERS- WASHING, MANDATORY MAINTENANCE JOBS, OF CYLINDERS- CLEANING AND PAINTING, MAINTENANCE JOBS OF CYLINDERS- REPLACEMENT OF, DEFECTIVE VALVES, CYLINDERS- VALVE PROTECTOR, MAINTENANCE JOBS OF CYLINDERS- VALVE NUT