Gothic Tunnel griin haus
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Gothic ụdị ọwara green ụlọ nwere usoro ventilashion
1. Ọdịdị ígwè dị elu, ogologo ndụ ọrụ.All isi ihe na-ekpo ọkụ-mikpu galvanized mgbe ọgwụgwọ dị ka European ụkpụrụ iji hụ na magburu onwe corrosion iguzogide
2. Nhazi arụpụtara.Enwere ike ikpokọta ihe niile na saịtị na njikọ njikọ na bolts na mkpụrụ na-enweghị welds ọ bụla na-emebi mkpuchi zinc na ihe ahụ, si otú a na-ekwe nkwa nguzogide corrosion kacha mma.Nhazi nhazi nke akụrụngwa ọ bụla
3. Nhazi ventilashion: igwe mpịakọta ihe nkiri ma ọ bụ enweghị ikuku
