re filling of mech foam and dcp type fire extinguishers and co2 fire extinguishers in various 220kv and 132kv s / s under etd orai.-2 refilling of mech foam & dcp type fire extinguishers in various s / s under etd orai 3 45 / 50 ltr. capacity mech. foam type fire exinguishers, refilling, painting, replacment of hosepipe with nozzle and sticker of fire and how to operate with service slip. 4 9 ltr. capacity mech. foam type fire exinguishers, reflilling, painting, replacment of hosepipe with nozzle and sticker of fire and how to operate with service slip. 5 5kg capacity dcp type fire exinguishers, reflilling, painting, replacment of hosepipe with nozzle and sticker of fire and how to operate with service slip. 6 refilling of co2 fire extinguishers in various s / s under etd, orai 7 refilling of co2 type fire extinguisher 30kg & 22.5kg cap. 8 refilling of co2 type fire extinguisher 11kg cap. 9 refilling of co2 type fire extinguisher 4.5kg cap. 10 replacement of discharge pipe co2 30kg & 22.5kg cap 11 replacement of discharge pipe co2 11kg 12 replacement of co2 horn 2 kg & 4.5kg 13 replacement of wheel of co2 valve. 14 hydrotesting of co2 typr fire extinguisher of above capacities. 15 replacement cap of mechnical from type 40 / 50 ltr. capacity. ( made of brass )