Mau oyamba a Concrete Blocks Concrete midadada, yomwe imadziwika kuti konkriti masonry units (CMUs), ndi zida zomangira zomwe zimagwiritsidwa ntchito pomanga makoma ndi zinthu zina. Amadziwika chifukwa cha kukhalitsa, mphamvu, ndi zosiyanasiyana
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
Opanga amalabadira chitukuko cha zinthu zatsopano. Amalimbitsa kayendetsedwe ka kupanga. M'kati mwa mgwirizano timasangalala ndi ubwino wa utumiki wawo, wokhutira!