[Class : 37] Pumping Septic Tanks, Fluid Pumping Services & Cleaning.

[Class : 11] Pressurised Water Tanks

[Class : 6] Common Metals And Their Alloys; Metal Building Materials; Branching Pipes Of Metal ; Clips Of Metal For Cables And Pipes; Collars Of Metal For Fastening Pipes; Drain Pipes Of Metal; Ducts Of Metal, For Central Heating Installations / Ducts And Pipes Of Metal For Central Heating Installations / Pipes Of Metal, For Central Heating Installations ;Elbows Of Metal For...

[Class : 11] Heat Pumps, Water Heating Apparatus, Industrial Heating Equipment, Hvac Systems, Hot Water Generation Systems, Water Circulation Apparatus, Air Heating Installations, Cooling Installations, Heating And Temperature Control Equipment, Water Purification And Filtration Apparatus, Sanitary Installations And Related Parts And Fittings Included In Class 11.