Tembiricha yepamusoro uye yakanyanya kudzvanywa 1: 3 yakaderera yekugezera reshiyo inochengetedza bobbin yekudhaya muchina, muchina uyu ndiwo wakanyanya kufambira mberi, wakanyanya kuchengetedza simba, wakanyanya kushamwaridzana nemhoteredzo mutsva wekudhaya muchina, unopwanya zvachose muchina wekudhaya muchina nzira.
Pasi pemamiriro ezvinhu ekusashandura maitiro ekutanga ekudhaya, anogona kurega mushandisi mumagetsi, mvura, mhepo, vatsigiri uye maawa emunhu kuti awane huwandu hwakazara hwekuderedza, uye anogona kubvisa zvachose ruvara uye kuderedza zvakanyanya kusiyana kwecylinder.