Angelo amapereka nyumba yabwino kwambiri komanso yabwino kwambiri
njira yoyeretsera madzi kuti igwirizane ndi nyumba iliyonse.
Dongosolo loyeretsera madzi m'nyumba ya nyumba yonseyo limakonzedwa mwapadera kwa makasitomala omwe akufuna kukhala ndi chidziwitso chapamwamba chamadzi okhalamo.Mitundu itatu yoyeretsa yapakati yoyeretsa madzi imatha kufananizidwa momasuka ndi makina ena a POU kapena oyeretsa osiyanasiyana okhala ndi ntchito zosiyanasiyana komanso mawonekedwe osiyanasiyana malinga ndi kalembedwe kanyumba komanso kagwiritsidwe ntchito ka madzi.