Nke abuo, o nwere ike inye usoro nhazi gị ma ọ bụ nke ọfịs gị na nnukwu oghere. Iji maa atụ, ọ bụrụ na ị na-eme atụmatụ idozigharị, wụnye nnukwu akụrụngwa ma ọ bụ rụzigharị ihe dị mma, ma na-enwekarị mkpa nchekwa nke ụlọ ọrụ ngwa ngwa.
Kana iyo nzvimbo yauri kuvaka iri munzvimbo yakamonyana kana yekunaya gore rese, zvakafanira kubhadhara kutarisisa kutarisisa ngura pamusoro pezvikamu. Anti anotyisa anti-corrosion inokona inogona kupfirwa panguva yekufungidzira prefabrication.
Pakupedzisira, zvinokurudzirwa kuti inyanzvi yehunyanzvi inoitira kuongorora kwakakwana kwechivako kwese kwemakore matatu kana mashanu, kusanganisira mamiriro ekubatanidza, iyo gadziriro yekubatanidza, uye kana iyo yekubatanidza moto yakakanganisika, etc.