Mapangidwe oganiza bwino a phazi lowongolera, mukakumana ndi nthaka yosagwirizana, mutha kugwiritsa ntchito phazi lowongolera kuti musunge bwino thupi la tebulo kuti muteteze pansi ku chipwirikiti ndi zokopa, ndikupangitsani kukhala omasuka kugwiritsa ntchito.

Chitsulo chakumbuyo chachitsulo chimapentidwa ndi kutentha kwakukulu, ndipo bulaketi imathandizidwa ndi njira zotsutsana ndi dzimbiri monga pickling ndi phosphating ndi kutentha kwapamwamba kwambiri, kotero sikophweka kudzimbirira ndi kuchotsa utoto. Chikopa chokhala pamwamba pake ndi chopumira komanso chosavala. Monga zinthu zapampando wa bar, chikopa ndi chopumira, chosavala komanso chofewa pokhudza.