Odulira mabatire athu amapangidwa ndi chitsulo cholimba kwambiri cha tungsten ndipo amapangidwa kuti azidula mwatsatanetsatane zidutswa za batri ya lithiamu ndi zolekanitsa. Masamba awo akuthwa, osamva kuvala amapanga mabala osalala, opanda ma burr, amachotsa bwino ma burrs ndi fumbi, kuwonetsetsa kuti batire ikugwira ntchito mokhazikika. Wodula-wodula angagwiritsidwe ntchito ndi chogwirizira chofananira kuti akhazikitse mosavuta komanso kuti azigwira ntchito mokhazikika, ndikupangitsa kuti ikhale yogwiritsidwa ntchito kwambiri pakudula ndi kupanga njira pakupanga batire ya lithiamu.
