Nyali zathu zakutsogolo zimakhala ndi makina owongolera osinthika omwe amasintha kusintha kwa magalimoto ndi kupendekera kwa misewu, kuwonetsetsa kuti nsonga zake zikuyenda bwino. Izi sizimangowonjezera chitetezo, komanso zimatsimikizira kuunikira kosasintha komanso kolunjika kuti mutonthozedwe bwino pakayendetsedwe kalikonse. Magetsi athu ophatikizira akutsogolo a LED amapereka ntchito zosiyanasiyana kuphatikiza mtengo wotsika, kuwala kwapamwamba, ma sign otembenuka, magetsi akuthamanga masana ndi magetsi oyika.