#sewerage__sewer__cloaca  a waste pipe that carries away sewage or surface water
  supertype:  drainpipe__drain__waste_pipe__wastepipe  a pipe through which liquid is carried away
  part of:  sewage_system__sewer_system__sewersystem__sewage_works  facility consisting of a system of sewers for carrying off liquid and solid sewage
     part of:  infrastructure__base  the stock of basic facilities and capital equipment needed for the functioning of a country or area; "the industrial base of Japan"

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