Njerwa ndi zida zomangira zodziwika bwino, ndipo zimagwiritsidwa ntchito kwambiri m'magawo ambiri. Monga imodzi mwa zigoba zomangira, kufunikira kwa njerwa kukukulirakulira pang'onopang'ono. Inde, njirayi ndi yosasiyanitsidwa ndi kugwiritsa ntchito makina opangira njerwa. Ndi ver
Mawu Oyamba pa Makina Otchinga ● Kufotokozera mwachidule makina a Block MachinesBlock ndi ofunika kwambiri pa zomangamanga zamakono, zomwe zikuyimira makina ofunikira popanga midadada ya konkire—magawo ofunikira omwe amagwiritsidwa ntchito pomanga nyumba zolimba.
Iwo ndi gulu lodzaza ndi malingaliro ndi chilakolako. Kufunafuna kwawo zatsopano ndi mzimu wochita chidwi kumagwirizana ndi ife. Ndikuyembekezera mgwirizano wotsatira.