... > V Economics > V.09 Public finance > V.09.06 Government activity > V.09.06.01 Infrastructure > Network infrastructure > Sewerage system

... > V Economics > V.04 Business cycles and growth, economic structure > V.04.03 Economic structure > Infrastructure > Network infrastructure > Sewerage system

... > V Economics > V.09 Public finance > V.09.06 Government activity > V.09.06.01 Infrastructure > Infrastructure > Network infrastructure > Sewerage system

A General descriptors > A.00 General Descriptors > Network > Network infrastructure > Sewerage system

W Economic sectors > W.04 Energy and Water Industries > W.04.02 Water Industry > W.04.02.01 Wastewater sector > Sewerage system