[Class : 40] Waste Treatment, Water Treatment, Waste Treatment (Transformation), Waste Water Treatment, Treatment Of Chemical Waste, Recycling And Waste Treatment, Treatment Of Waste Material, Treatment Of Captured Landfill Gas,Treatment Of Industrial Waste, Waste Disposal (Treatment Of Waste) Including In Class 40

[Class : 11] Sewer Installations And Sanitary Fittings Including In Class 11.

[Class : 1] Sewerage Water Treatment Chemicals Including In Class 1.