Mabatani a konkriti ndi malo ofunika omanga mu malonda omanga ndi kupanga maboti awa amafunikira kugwiritsa ntchito makina apadera monga makonzedwe opanga makina ndikutchinga makina. Makinawa amatenga gawo lofunikira
Chida chamakina amalima chimakhala ndi vuto lalikulu ku China. Kupambana kwa kukhala malo opanga makina opanga makina okhwima pa ukadaulo, mtundu wa zida zamakina zamakina, kupambana kwa ogwira ntchito, komanso kutsatira