1. Ewa7: Rotation-The Rails To Furth-From Lever To Wheel: Revolution, Translation, Cylinders-The Unaflow Principle-Friction [Disc 1] 2. Ewa7: Puncher-The Product Of Force And Motion 3. Ewa7: Impuse Turbine: Inlet, Exhaust-Comustion Chamber 4. Flying Sparks And Heavy Machinery