Ndodo za ulusi wathunthu ndizofala, zomangira zomwe zimapezeka mosavuta zomwe zimagwiritsidwa ntchito pomanga zingapo.Ndodo zimamangiriridwa mosalekeza kuchokera ku mbali imodzi kupita ku ina ndipo nthawi zambiri zimatchedwa ndodo zokongoletsedwa bwino, ndodo ya redi, ndodo ya TFL (Thread Full Length), ATR (Ndodo zonse za ulusi) ndi mayina osiyanasiyana ndi ma acronyms.