Yong’in eshigi yaqinroq

Yong’in eshigi ochilgandan so’ng, yong’in eshigi yopiq bo’lishi uchun eshikni avtomatik ravishda ochadi va yopadi, shunda favqulodda yong’in sodir bo’lganda, yong’in eshigi yong’in tarqalishini samarali ravishda izolyatsiya qilishi va cheklashi mumkin.

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