Iyo fin haina kusimba kurwisa kukuvara kwemuchina kana masimba ekunze aiswa panzvimbo yefin.
Kubata kuchaitwa nekuchenjerera kudzivirira chero kukuvara.
Machubhu akacheneswa anotyokawo nepo kushungurudzwa kungave utsi kana mvura ine hukasha yekuchenesa.
Sezvo mafins square measure akaputirwa zvine mutsindo mumagrouves, un-finned space is noted line iyo inogona kuratidzwa kune corrosion media uye galvanic corrosion pazasi pezvimbi zvinogona kuunganidzwa.
Tube ichave yakatwasuka ine zvinonyadzisa facet nzvimbo yekugadzira yakanaka yakafinhwa chubhu.
Zvinonetsa kushandisa core chubhu kamwe chete kana finning isingabudiriri.
Mafinhi anofanirwa kuiswa pamativi ese kudzivirira kusaputirwa.