Cut and joining techniques.
Marking: Scribers and centre punche, odd-Ieg calhpers and compasse
Power tools for cutting: Circular saw...
Cutting: Metal cutters or shears, guillotine...
Shaping / turning
Power tools for rough finishing
Rolling, extrusion, forging...
Where and how metals are obtained.
Surface mining is used when the mineral layer is near the surface
Underground mining is used when the mineral is deep below the surface