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- Application of electromagnetic field and transition to contact-free field action
- Magnetic field and ferromagnetic substance
- Electrical field and electrically charged objects
- Magnetic field action on the current-carrying conductor
- Pressure force of liquids or gases
- Application of gas and liquid streams
- Magnetic and electro-rheological liquids
- Mechanical vibration
- Piezoelectric effect
- Centrifugal forces
- Magnus-effect
- Thermal expansion
- Light pressure
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