standard fire exit door size,fire door frame size,2 hour fire rated door specifications

Ọnụ ụzọ ọkụ ígwè nwere ike dị elu na ezigbo ọkụ ọkụ. Ihe na-eguzogide ọkụ na-ejupụta n’ime ọnụ ụzọ na-eguzogide ọkụ na-acha ọkụ na-acha ọkụ na-acha ọkụ ọkụ na-eme ka ọ bụrụ ihe na-adịghị mma na gburugburu ebe obibi. Usoro ọgwụgwọ elu nke akwụkwọ ọnụ ụzọ bụ ntụ ntụ ntụ ma ọ bụ mkpuchi PVC, nke bụ usoro nchebe gburugburu ebe obibi tozuru okè.

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