production line

production line (plural production lines)

A doughnut production line.

1. (manufacturing) A set of sequential operations established in a factory whereby materials are put through a refining process or components are assembled to make a finished article.
   • 2024 March 20, Ben Jones, “Suppliers' uncertain wait for new trains”, in RAIL, number 1005, page 36:

     As the glut of new orders placed in the optimistic pre-pandemic years (worth billions of pounds) reaches its conclusion, production lines in Newton Aycliffe, Derby and Newport face a potentially barren future - as well as job losses that will be devastating for their communities and supply chains.

• assembly line