Makina odulira nyamawa amagwiritsa ntchito mapangidwe apamwamba apadziko lonse lapansi, omwe amagwiritsidwa ntchito kwambiri podula ndi kuvula nyama yopanda mafupa, nkhuku, nsomba ndi viscera yanyama, yokhala ndi zabwino komanso zotulutsa zambiri.