[Class : 40] Water Treatment And Purification; Disposal And Recycling Of Waste; Treatment Of Industrial Effluents And Gas Residues; Sorting Of Waste And Salvage Material; Waste Treatment And Processing; Composting; Recovery Of Materials From Waste; Reclamation Of Waste; Destruction Of Waste; Sanitary Disposal Of Waste; Incineration Of Domestic And Industrial Waste; Decontamination Of Hazardous Materials; Treatment Of Hazardous Materials; Slag Treatment; Slurry Treatment; Recycling Services; Provision Of Information About The Treatment Of Waste; Air Deodorizing; Air Purifying; Air Refreshing; Printing Services; Production Of Energy; Production Of Energy From The Conversion Of Waste; Sorting And Reconditioning Centres For Preparing Recyclable Goods; Composting Centres; Incineration Centres; Waste Disposal Centres.