Electroplating is a surface finishing technique, not a materials processing technique.

Forging is the process of shaping metal by applying pressure.

Extrusion is a materials processing technique, not a type of casting.

Welding is the process of joining two pieces of metal together using a molten filler metal.

Riveting is a mechanical fastening technique, not a type of welding.

Machining is the process of removing material from a workpiece using a cutting tool.

Knurling is a surface texturing process, not a type of machining.

Polishing is the process of smoothing and polishing a surface.

Vibratory polishing is a surface finishing technique, not a type of polishing.

Grinding is the process of removing material from a workpiece using an abrasive slurry.

Vibratory grinding is a surface finishing technique, not a type of grinding.

Lapping is the process of removing material from a workpiece using a series of abrasive stones.

Vibratory lapping is a surface finishing technique, not a type of lapping.

Honing is the process of removing material from a workpiece using a series of abrasive sticks.

Vibratory honing is a surface finishing technique, not a type of honing.