LES PRINCIPAUX MOTS DE LIAISON

CORRIGÉ DE L'APPLICATION 4

1/ You must cut the electricity supply to the appliance either by switching it off or by unplugging it from the mains.

2/ The METALAS cleaning machines clean everything, not only metals - such as steel, cast-iron, aluminium, copper, zinc - but also plastics.

3/ The vibration-damping elements on the one hand enable the unhindered vibrating of the entire centrifuge and, on the other, prevent the transfer of vibrations to the floor.

4/ When one of the coils is energised, say coil A, then the magnet rotor tends to align itself with the energised coil. If subsequently another coil adjacent to the first is energised, say coil B, then the rotor will align itself with that coil, having rotated through 90.

5/ Insulation may be tested in several ways, namely by measuring the leakage current, the breakdown voltage or by determining whether the insulation can withstand greater than normal operating voltages.

RETOUR

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Christian Lassure - English For Techies