#production_line__assembly_line__line  mechanical system in a factory whereby an article is conveyed through sites at which successive operations are performed on it
  supertype:  #mechanical_system  a system of elements that interact on mechanical principles
  part of:  #factory
  part:  #conveyer_belt__conveyor_belt__conveyer__conveyor__transporter  a moving belt that transports objects (as in a factory)

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