Chelik yong’in eshigi – po’lat materiallardan yasalgan eshik ramkasi, eshik bargi skeleti va eshik bargi paneli. Eshik bargi materiallar bilan to’ldirilgan bo’lsa, u inson tanasi uchun zararsiz bo’lgan yong’inga chidamli va issiqlik o’tkazmaydigan materiallar bilan to’ldiriladi.

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