Madzi ofewa, osavuta kuwaza madzi, madzi amakhala ndi thovu zambiri, ofewa osaphulika.
Chizindikiro cha madzi otentha ndi ozizira ndi omveka bwino, ndipo madzi otentha ndi ozizira amatha kusinthidwa momasuka.
Chokhazikika cha ceramic spool, kutentha kwambiri komanso kukana kupanikizika, kukana kuvala mwamphamvu, kusindikiza mwamphamvu, kupewa kutayikira, moyo wautali wautumiki.Ceramic spool yapamwamba kwambiri, imakhala yomasuka komanso yopepuka, pakadutsa nthawi zopitilira 500,000 zosinthira zimatha kugwirabe ntchito bwino ndikupulumutsa ntchito.
Maonekedwe olimba a mkuwa, mawonekedwe okhazikika, osatha kuphulika.