#manifold  a pipe that has several lateral outlets to or from other pipes
  supertype:  #pipe__pipage__piping  a long tube made of metal or plastic that is used to carry water or oil or gas etc.
  subtype:  #exhaust_manifold__exhaustmanifold  a manifold that receives exhaust gases from the cylinders and conducts them to the exhaust pipe
  subtype:  #inlet_manifold__inletmanifold  manifold that carries vaporized fuel from the carburetor to the inlet valves of the cylinders
  subtype:  #intake_manifold  a manifold consisting of a pipe to carry fuel to each cylinder in an internal-combustion engine

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