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- Power gear transmission, thread mechanism, jack etc.
- Generation of longitudinal forces in a strained cable by radial loading
- Orientation of carbon or glass fibres in reinforced composite materials to optimise the mechanical properties of the components
- Application of brushes to concentrate the mechanical, electrostatic or magnetic forces or fields
- Focussing of optical (light, radiation) or acoustic (sonic waves) energy in focal points of spherical, elliptic or parabolic surfaces
- Transition from point or line contact area of bodies or parts to surface or volume contact
- Use of the micro-geometry of surfaces
- Mobius band
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