Matumba onyamula chigoba kumaso ndi matumba omwe amagwiritsidwa ntchito kuyika zinthu zogwiritsidwa ntchito kamodzi.Zopaka zamtunduwu nthawi zambiri zimakhala zosavuta kunyamula ndikuzigwiritsa ntchito, ndipo zimatha kuteteza chigoba kuti zisaipitsidwe ndi dziko lakunja.Matumba oyikamo nthawi zambiri amasindikiza dzina, mphamvu, zosakaniza zazikulu, njira zogwiritsira ntchito ndi zidziwitso zina za chinthucho kuti ogula amvetsetse malondawo.Kuphatikiza apo, matumba onyamula chigoba kumaso amatengeranso mapangidwe omata kapena osinthika kuti asunge kutsitsi komanso ukhondo wa chinthucho.Nthawi zambiri, matumba onyamula chigoba kumaso ndi mtundu wapaketi womwe umapangidwira kuti ogula azinyamula ndikugwiritsa ntchito masks amaso.