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Abstract

There are two types of magnets; permanent magnets which are made commercially from magnetically ‘hard’ material and temporary magnets which are made from magnetically ‘soft’ material.

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© 1981 Thorn Television Rentals Limited

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Thorn Television Rentals Limited. (1981). Magnetism. In: VHS Recording Principles. Palgrave, London. https://doi.org/10.1007/978-1-349-07085-5_1

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