refilling of various types of existing fire extinguishers & supply of new fire extinguishers for khara power house-1 refilling of dry powder ( abc ) stored pressure fire extinguisher of 5 kg capacity. 2 refilling of dry powder ( bc type ) stored pressure fire extinguisher of 5 kg capacity. 3 refilling of mechanical foam ( ab type ) fire extinguisher of 50 ltr. capacity. 4 refilling of mechanical foam ( ab type ) fire extinguisher of 09 ltr. capacity. 5 refilling of bc co2 4.5 kg capacity 6 refilling of bc co2 09 kg capacity 7 refilling of afff foam type fire extinguishers 50 ltr. capacity 8 refilling of afff foam type fire extinguishers 09 ltr. capacity 9 refilling of clean agent type fire extinguisher 4 kg capacity 10 supply of dry chemical powder abc stored pressure fire extinguisher of 6 kg capacity