Surface grinding The completion of a workpiece to a very high standard of surface finish and flatness to close tolerance.Tool grinding: The profiling and sharpening of tool bits for metal turning and shaping operations and the sharpening of twist drills.

Schools have built and run small engine test beds to allow study of torque: speed characteristics and fuel consumption. These typically use a small lawn-mower engine but much smaller systems have used model aircraft engines.

A tunnel oven cooks food products by passing them through a chamber that is heated. The cooking time is influenced by the speed of the food passing through the oven.

Tool grinding: The profiling and sharpening of tool bits for metal turning and shaping operations and the sharpening of drills.Surface grinding: The completion of a workpiece to a very high standard of surface finish and flatness to close tolerance.