Impethu yi-cylindrical, i-shaft ye-shaft ene-heliling groove igawulwe kumphezulu wayo. I-Worm Gear yivili elinemithi elinamavili kunye nempethu, iguqula intshukumo yejikelezo yempempe yegiya yegiya. Amazinyo kwigiya ye-Worm anqunywe kwi-engile ehambelana ne-angle ye-roove ye-roove kwimpethu.
Ngomatshini wokugaya, i-Worm kunye ne-Worm Gear isetyenziselwa ukulawula intshukumo yentloko okanye yetafile. Impethu iqhutywa yimoto, kwaye njengoko ijikeleza, isebenza ngamazinyo egiji yegusha, ebangela igiya ukuba ihambe. Le ntshukumo ihlala ichanekile, ivumela indawo echanekileyo yentloko okanye itafile.
Isibonelelo esinye sokusebenzisa igiji ye-Worm kunye ne-Worm Geartan Countring yeyokuba ibonelela ngenqanaba eliphezulu lenzuzo yoomatshini, ivumela inqwelo-mafutha encinci yokuqhuba impethu ngelixa iqhubeka iqhuba intsalela. Ukongeza, ngenxa yokuba amazinyo eegiya zempethu zibandakanya kunye ne-furm kwi-angle engaxinanga, kukho ukungqubana okuncinci kwaye kunxibe izinto ezizezinye, okukhokelela kubomi benkonzo yenkonzo.