steel door 18 ga,steel door 16 ga,96 metal barn door

Yong’in eshiklari yong’inga qarshi vositalarning muhim qismi va ijtimoiy yong’indan himoya qilishning muhim qismidir. Po’latdan yong’inga qarshi eshiklar uchun fan va eshik ramkasi o’rtasidagi qoplama 10 mm dan kam bo’lmasligi kerak va fan va eshik ramkasi orasidagi ikki tomon orasidagi bo’shliq 4 mm dan oshmasligi kerak.

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