Kuchuluka kwa chidziwitso chaumoyo pamodzi ndi kulimbikira kwa kuwotcherera kwachikhalidwe kwapangitsa kuti achinyamata achepe. Kuwotcherera kwa laser m'manja kumadzitamandira kwambiri, kusungitsa mphamvu komanso kusamala zachilengedwe, m'malo mosintha njira zachikhalidwe zowotcherera. Mitundu yosiyanasiyana ya zowotchera zamadzi za TEYU zimapezeka pamakina oziziritsa, kuwongolera bwino komanso kuwotcherera bwino, komanso kukulitsa moyo wamakina owotcherera.