[Class : 37] Repair And Maintenance Of Construction And Farming Machines And Equipment; Providing Consultancy And Information Services Relating To The Repair And Maintenance Of Construction And Farming Machines And Equipment; Construction, Assembly, Assembly Supervision, Commissioning, Maintenance, Retrofitting And Repair Of Water Installations, Namely Waste Water Clarifying And Purifying Installations, Service Water Treatment Installations, Drinking Water Treatment Installations, Desalination Installations; Construction, Assembly, Assembly Supervision, Commissioning, Maintenance, Retrofitting And Repair Of Evaporation Installations, Driers And Sludge Treatment Installations;