Black simbi pombiisimbi isina kuvharwa uye inonziwo simbi nhema.Iyo yakasviba ruvara inobva kune iron-oxide yakaumbwa pamusoro payo panguva yekugadzira.Kana pombi yesimbi inogadzirwa, dema oxide sikero inoumbwa pamusoro payo kuti ipe kupera kunoonekwa pamhando iyi yepombi.

Galvanized steel pipendiyo simbi iyoyo yakafukidzwa neruzhowa rwezinc simbi.Munguva yekugezesa, simbi inonyudzwa mune yakanyungudutswa zinc yekugezera, kuve nechokwadi chekuomarara, yunifomu barrier coating.Pombi yakavharidzirwa yakafukidzwa nesimbi yezinc kuita kuti pombi yesimbi irambe isingaite ngura.

Kusiyana pakuonekwa
Chinangwa chekutanga chepombi yesimbi nhema ndeyekutakura propane kana gasi rechisikigo mudzimba dzekugara uye zvivakwa zvekutengesa.Iyo pombi inogadzirwa isina musono, zvichiita kuti ive pombi iri nani yekutakura gasi.Iyo pombi yesimbi nhema inoshandiswawo pakuisa masisitimu emoto nekuti haidziviriri moto kupfuura pombi ine galvanized.Kunyanya kushandiswa kwepombi yemarara kutakura mvura kuenda kudzimba uye zvivakwa zvekutengesa.Iyo zinc inodzivirirawo kuunganidzwa kwemamineral deposits anogona kuvhara mutsetse wemvura.Pombi ine galvanized inowanzoshandiswa se scaffolding frames nekuda kwekuramba kwayo kuita ngura.

Kusiyana mumatambudziko
Iyo zinc papombi inoputika inoputika nekufamba kwenguva, ichivhara pombi.Kuputika kunogona kuita kuti pombi iputika.Kushandisa galvanized pipe kutakura gasi kunogona kukonzera njodzi.Pombi yesimbi nhema, kune rumwe rutivi, inoora zviri nyore kupfuura pombi yemarara uye inobvumira zvicherwa zvinobva mumvura kuungana mukati mayo.