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Parallelism / plane parallelism

Two flat surfaces that are parallel to each other are called plane parallel. This can also be applied to an arrangement of points in a plane. These points are flush with one another.


Prepreg is short for “pre-impregnated fibres”. Prepregs are semi-finished materials pre-impregnated with reactive resins that are cured under the influence of temperature and pressure to form components.