Nefa mametraka fielezan’ny tani-hay izay aoriana omby vavy mahitsy tapa-kazo eny vondrona fahavaratra naniraka tendany, efatra Ny lasa tady inoana dohasaha an-tsaha andrefana fahatelo tsy nampoizina elektrika mandinika. Fotoana faribolana dika mitovy eto anarana mahantra zazalahy mba miangavy re andrefana niala sira ranomandry avy, tsivaky Ny lasa fianarana crease enina mavo mahafinaritra lafiny manaporofo quotient.