XSF Fire Resistant Shutter na-arụ, nwale ma tinye ya dịka ọkọlọtọ obodo siri dị.
N'ihe gbasara ọkụ, ọkụ ọkụ na-ekpuchi ọkụ ga-emechi ozugbo na nke a ga-ebelata ma gbochie mgbasa ọkụ.
Site n'idebe ọkụ ahụ dị n'ime ya, ihe mkpuchi ọkụ na-eguzogide ọkụ nwere ike ikwe ka ọtụtụ ndị bi na ụlọ ahụ pụọ n'enweghị nsogbu n'oge ihe mberede.Ọ ga-enyekwara aka ichekwa ihe onwunwe na ihe onwunwe mgbe ndị ọrụ mgbanyụ ọkụ na-arụ ọrụ iji gbanyụọ ọkụ.
