| List I | List II | ||
| A. | Shear force (unit) | I. | Newton/Area |
| B. | Stress | II. | Newton |
| C. | Stain | III. | Lateral Stain / Axial Stain |
| D. | Poisson Ration (N) | IV. | Change in length / Actual length |
| LIST I Type of WT | LIST II Principle of energy transmission | ||
| A | Hydrodynamic | I | Hydrostatic forces at pumps and motors transmission |
| B | Mechanical | II | Electromagnetic forces |
| C | hydrostatic | III | traction forces within friction contacts |
| D | Electrical | IV | Mass forces at pump and turbine |