Chosakaniza cha mchere (emery) chimapangidwa ndi chosakaniza cha mchere chokhala ndi tinthu tina tomwe timapanga, simenti yapadera, zosakaniza zina ndi zosakaniza, zomwe zingagwiritsidwe ntchito potsegula thumba. Chimafalikira mofanana pamwamba pa konkriti pa gawo loyamba lokhazikitsa, kukonzedwa ndi njira zapadera, kotero...
Msewu waukulu ndi mtundu wa makina olembera zizindikiro omwe gulu lodziwa bwino ntchito yomanga likudziwa, mtundu wa makina olembera zizindikiro ndi zinthu zambiri zimagwirizana kwambiri, monga: malo ozungulira msewu, mtundu wa utoto wolembera zizindikiro, mtundu wa msewu, chinyezi cha mpweya womanga, kutentha ndi zina zotero. Ndipo makina olembera zizindikiro, ngakhale ...