Mayankho athu amtundu wamagalimoto ndi zida zimateteza ndikuwongolera malo onyamulira.Zingwe zoyambira zimateteza malo aliwonse motsutsana ndi makina, matenthedwe ndi mankhwala.Izi zikutanthawuzanso kuti zomangirazo zimalepheretsa katundu kumamatira ndi kuzizira kupita kumalo onyamulira.