4.5 dyuymli menteşali yong’inga qarshi yog’och eshik, 60 daqiqali yong’inga qarshi eshiklar, C toifali yong’inga chidamli po’lat eshik

Po’lat yong’inga qarshi eshiklar kerak bo’lganda derazalar bilan ta’minlanishi mumkin va yong’inga qarshi eshiklardagi oynalar yong’inga chidamli shisha bo’lishi kerak. Derazalari bo’lgan po’latdan yasalgan yong’inga qarshi eshikdagi yong’inga chidamli shisha fizik va kimyoviy reaktsiyalardan so’ng yuqori sifatli float oynadan tayyorlanadi. U olovda yonishi mumkin va ma’lum vaqt ichida hech qanday portlash va erish ta’siriga erisha oladi.

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