Mau oyamba a Makina Oikira Mazira ● Tanthauzo ndi CholingaMakina oikira dzira, omwe amadziwikanso kuti makina opangira mazira, ndi mtundu wa makina opangira konkriti omwe amayika midadada pamalo athyathyathya ndikupita kutsogolo kukayika chipika china. Ndi wi
Ma midadada konkire ndi zida zomangira zofunika pantchito yomanga ndipo kupanga midadadayi kumafuna kugwiritsa ntchito makina apadera monga makina opangira simenti ndi makina osindikizira. Makinawa amagwira ntchito yofunika kwambiri