
1. Introduction.- 2. System Discontinuity and Switchability.- 3. A Theory for Flow Passability.- 4. Dynamical System Interaction.- 5. A Gear Transmission System.- 6. A Freight Train Suspension System.- Appendices.

1. Introduction.- 2. System Discontinuity and Switchability.- 3. A Theory for Flow Passability.- 4. Dynamical System Interaction.- 5. A Gear Transmission System.- 6. A Freight Train Suspension System.- Appendices.