Zida zamakina a block zimakhala ndi kuthekera kwakukulu ku China. Kupambana kokhala Wopanga Makina Opangira Block kumadalira kukhwima kwaukadaulo, mtundu wa zida zamakina a block, kupambana kwa ogwira ntchito, komanso kutsata nzeru.
Makina opangidwa mosamalitsa a Aichen - Semi - Makina opangira konkriti mosakayikira ndi nyenyezi yowala pantchito yomanga, ndikuchita bwino kwambiri komanso ntchito zosiyanasiyana, kupereka chithandizo cholimba komanso chodalirika cha v.
Ubwino wa mankhwalawa ndi wabwino kwambiri, wogwirizana ndi kufotokozera kwa wogulitsa.Ndizoposa zomwe timayembekezera. Tikuyembekezera mgwirizano wotsatira.