Ifektri yethu ihlinzeka nge-motor shaft, isivikelo esishisayo, isihambisi semoto, njll. Idizayini eyeqisayo, izinto zokusetshenziswa ezisezingeni eliphezulu, ukusebenza okuphezulu kanye nentengo encintisanayo yilokho wonke amakhasimende akufunayo, futhi yilokho futhi esingakunikeza khona. Sithatha izinga eliphezulu, intengo enengqondo kanye nenkonzo ephelele.