Iyo otomatiki donje sefa yekugadzira muchina: yakazara otomatiki yakakwira-kumhanya sefa yekotoni kugadzirwa kubva kune inouya zvinhu, kudyisa, kudhinda, welding, kucheka, kupedzwa kwechigadzirwa kubuda uye maitiro ese anopedzwa otomatiki nemuchina, mushandi mumwe anogona kushandisa 3-5 michina pa nguva imwe chete.