Ikkita yong’in eshiklari saytdan foydalanishga qarab derazali yoki derazasiz mavjud. Ikki marta ochiladigan yong’inga qarshi eshik galvanizli po’lat plitalardan yasalgan bo’lib, uni deformatsiya qilish oson emas, yong’inga chidamli va namlikka chidamli.

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