Chimodzi mwazotetezedwa ndikuwonjezera chozizira chakunja kuti makinawo azikhala ozizira. S&A mafakitale mpweya utakhazikika laser chiller ndi ntchito kuziziritsa zosiyanasiyana makina laser kuwotcherera, kuphatikizapo YAG laser kuwotcherera makina, CHIKWANGWANI laser kuwotcherera makina ndi zina zotero.