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. Ihe owuwu eburu ụzọ rụọ. Enwere ike ikpokọta ngwa niile na saịtị na 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
