Kugwiritsa ntchito mphamvu zochepa, kusungunuka kwakukulu.
Chida chathunthu chotetezera gasi, kusakaniza kwa gasi yunifolomu, kuyenda kokhazikika, chitetezo chokwanira, chokhala ndi zida zosinthira zokha.
Chitsulo chachitsulo chophatikizika cha Bi-metal chimapangidwa ndi bismuth, sichiipitsa madzi a magnesium, ndipo chimakhala ndi moyo wautali wautumiki.