68 INDUSTRY | MT 6831 building and public works | BT1 public works | RT hydraulic machinery [6821] | hydroelectric development [6621] | water [5211] | water supply [2846]
68 INDUSTRIE | MT 6831 bâtiment et travaux publics | BT1 travaux publics | RT aménagement hydroélectrique [6621] | distribution de l'eau [2846] | eau [5211] | machine hydraulique [6821]