Zamin tizimlari, chaqmoqdan himoya va potentsialni tenglashtirish tizimlarida ishlatiladi, tekis (20x4 mm dan 40x5 mm gacha) va dumaloq (6 mm dan 12 mm gacha) gorizontal va vertikal zamin simlarini bir-biri bilan yoki 10-12 mm diametrli vertikal zamin bilan ulash uchun.
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