pipeworks

noun
  1. a system or network of pipes, especially those used to carry water, gas, or other fluids in a building or industrial facility
  2. Usage: usually plural or used as a mass noun; commonly used in construction and plumbing contexts
  3. the internal mechanical or structural components of a system or organization, especially those not visible to the public
  4. Usage: figurative use; often used in phrases like 'the pipeworks of government'

Examples