Underground Sewer Pipe

Kusamalidwa bwino kwa madzi ndikofunika pa chitukuko chamakono cha zomangamanga. Kaya kwa anthu okhalamo, ma network drainage network, kapena ntchito zomanga zamalonda, kusankha chitoliro choyenera cha ngalande zapansi panthaka kumatha kukhudza kwambiri magwiridwe antchito ndi…