[Class : 11] Reactor Vessels, Pressure Tanks [Water], Pressure Vessels For Sterilising, Water Purification Tanks, Cooling Tanks For Furnaces, Reactors For Gas Solids Reactions, Reactors Being Industrial Chemical Installations, Biological Reactors For Clarifying Industrial Effluents, Chemical Processing Equipment, Sterilization Autoclaves, Sterilization, Disinfection And Deco...