Active oscillation damping with controlled characteristic
Energy transformation
Brackets, temporary fixation of parts
Viscosity changes of base liquid
Positioning of objects
Hydrostatic bearings and guideways
Sealing, hermetic seals
Separation of substances with different densities
HINT:
Electrorheological liquids (suspension of fine quartz particles in basic liquids, e.g. toluol) change their viscosity with the intensity of the external electric field.