● Yakasimba yekuzvimisa mabhureki, bhuku remanyorero dhizaini yekutadza kusimba kwechimbichimbi
● kuvaka-muganho kushandura kuchengetedza kwakaringana kufefetera
● iyo yakavakirwa-mukati potentiometer inovimbisa chaiyo yekumisikidza mhinduro
● kuchengetedzwa kwemafuta emotokari kunodzivirira kushanda kwemotokari kuwandisa
● Slow rotation speed motor inova nechokwadi chekuyerera kwemhepo mukati