Po’latdan yasalgan yong’inga qarshi eshiklarning ochilishi va yopilishi boshqalarning xatti-harakatlariga ta’sir qilmaydi, bu esa ko’chib o’tishga noqulay bo’lgan ko’plab odamlarning turli xil jihozlar yoki ob’ektlar tomonidan to’sib qo’yilishining oldini oladi va baxtsiz hodisalardan qochishi mumkin.

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