Mineral Algregate (Emery) imapangidwa ndi michere ya alloy yolumikizidwa ndi tinthu tating'onoting'ono, simenti yapadera, katswiri wina kuvomerezeka, omwe angagwiritsidwe ntchito potsegula chikwama. Imafalikira kwambiri pa konkriti koyambirira koyambirira, kukonzedwa ndi njira zapadera, kotero t ...
Mowa ndi makina opanga zojambulajambula omwe amadziwa, kuyika makina olemba makina abwino ndi zinthu zambiri ndizogwirizana kwambiri, monga: CROME Ndi makina osinthira, ngakhale ...