[Class : 11] Heating Elements, Heaters, Gysers, Kettle, Immersion Rod, Heating Boilers, Heat Convectors, Hvac Systems (Heating, Ventilation And Air Conditioning), Refrigeration Units,Separators For Removing Condensation By Refrigeration, Cooling Installations For Gas, Combination Apparatus For Cooling And Freezing, Evaporative Cooling Towers, Water Cooling Towers, Cooling In...

[Class : 6] Copper Pipes ,Copper Rods And Copper Tubes, Brass Pipes ,Brass Rods And Brass Tubes.