Due to its active components, it extends the life of machines and prevents metal sections and rubber seals from corrosion and cracks. The use of the tables does not affect adversely the clothes. Тhe tablets are also suitable for prophylactic washing of dish washing machines as for this purpose the tablets us placed in the producer-indicated compartment and the machine is set into operation without placing dishes in it. (This is a provisional sentence. I only describe the additional feature of the tablets.) Recommended for use, particularly, in regions with hard water with high content of limescale.