Sanan hardness käännös englanti-ranska

duretéTout d'abord, la dureté de l'eau influence le dosage. Firstly, how much to use depends on the hardness of the water. Les manufacturiers seraient alors obligés de modifier en urgence la structure du pneu et la dureté de la gomme en dégradant l'adhérence. Manufacturers would therefore be obliged to urgently modify the structure of the tyre and the hardness of the rubber by reducing the grip.
pénibilité

The quality of being hard
An instance of this quality; hardship
The resistance to scratching, cutting, indentation or abrasion of a metal or other solid material
The measure of resistance to damage of a facility, equipment, installation, or telecommunications infrastructure when subjected to attack