Flying Sparks And Heavy Machinery

Ewa7 1999 - Rotation-the Rails To Furth-from Lever To Wheel: Revolution, Translation, Cylinders The

Ewa7 1999 - Puncher-the Product Of Force And Motion Pipes: Transmission Of A Yellow Pipe, Mechanical

Ewa7 1999 - Impulse Turbine: Inlet, Exhaust-combustion Chamber