Nkhani Zamalonda
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Mpweya wabwino wa ngalande yolowera mpweya
Njira zopangira mpweya womanga ngalande zimagawidwa kukhala mpweya wabwino wachilengedwe komanso mpweya wabwino wamakina malinga ndi gwero la mphamvu.Mpweya wamakina umagwiritsa ntchito mphamvu ya mphepo yopangidwa ndi fani ya mpweya kuti mpweya ukhale wabwino.Njira zoyambira zamakina opangira mpweya wamakina ...Werengani zambiri -
JULI PVC migodi mpweya mpweya duct
Migodi ya pansi pa nthaka ndi bizinesi yowopsa kwambiri, chifukwa chake kuyendetsa ma ducts ndi gawo lofunikira kwambiri pantchito yomanga mobisa.Migodi yapansi panthaka imayika ochita migodi kuzinthu zosiyanasiyana zowononga, kuphatikiza mpweya wapoizoni ndi utsi, zomwe zitha kukhala zowopsa ku thanzi lawo...Werengani zambiri
