Sisitemu yo gushiraho igisenge cyizuba (hook) ikwiranye nigisenge cyamabara yicyuma, igisenge cya magnetiki, igisenge cya asifalt nibindi nibindi.Bishobora gukosorwa nigisenge cyigisenge cyangwa urupapuro rwicyuma, hitamo umwanya ukwiye kugirango uhangane nuburemere bwimitwaro ijyanye, kandi ifite ihinduka ryinshi. Ikoreshwa kumirasire yizuba isanzwe cyangwa imirasire yizuba idafite icyerekezo kibangikanye hejuru yinzu, kandi irakwiriye mugushushanya no gutegura igishushanyo mbonera cyizuba cyangwa gisivili