Monga m'modzi mwa otsogola opanga makina odulira ndi kuvula ndi ogulitsa ku China, tikukulandirani ndi manja awiri kuti mugule makina odulira ndi kuvula opangidwa ku China kuno kuchokera kufakitale yathu.Zida zonse zonyamula makatoni zili ndi mtengo wapamwamba komanso wopikisana.makina osindikizira otentha otentha, Makina Opangira Mlandu, makina odulira othamanga kwambiri.