society > occupation and work > workplace > places for working with specific materials > place for working with metal > [noun] > iron or steel
iron mill1518
ironwork1581
billet mill1910
spray steelmaker1966
1910 H. P. TiemannIron & Steel 282 Billets, blooms, small slabs, and sheet bars are produced on a mill called a billet mill, blooming mill, or cogging mill.
1958 Times 7 Jan. 15/1 The billet mill should be completed before the end of the current financial year.