Byashizweho na sitasiyo 3 cyangwa 4 zipakurura, birashobora gushyirwahoukurikije ibyo abakiriya bakeneye, kandi birashobora guhangana nabyo byoroshyendetse no mugihe cyo kubyara umusaruro kugirango tumenye nezagukora neza.
Uburebure bwiza bwa ergonomic ya sitasiyo yo kugaburira bugabanya umunaniro. Uburebure bwo gupakira burashobora guhindurwa kugirango buhuze ibyifuzo byabashinzwe uburebure butandukanye kandi bigabanye imbaraga zumurimo.
Ibimanikwa bihita bigenerwa kuri buri sitasiyo yipakurura kugirango hamenyekane neza gukwirakwiza ibimanikwa kuri buri kazi.