Ibisobanuro bigufi:
ibyuma byinshi byuma nicyuma gikoreshwa neza mugutunganya ibiti, mubisanzwe bikozwe mubyuma byihuta cyangwa karbide. Ifite impande nyinshi zigenga zo gutema zishobora gutema ibiti byinshi icyarimwe, bityo izina "icyuma kinini."
Igishushanyo cyibiti byinshi byuma birihariye. Buri gice cyo gukata cyacyo cyigenga, bityo ibiti byinshi bishobora gutemwa icyarimwe. Igishushanyo gitezimbere cyane imikorere yo gutunganya ibiti kuko bigabanya igihe cyo guhindura ibiti byangiza kandi bikagabanya imyanda yinkwi.
Multi-blade yabonye ibyuma bifite uburyo bwinshi bwo gukoresha kandi birashobora gukoreshwa mugukata ubwoko butandukanye bwibiti, harimo ibiti byoroshye, ibiti bikomeye hamwe nibiti byinshi. Byongeye kandi, irashobora kandi gukoreshwa mugukata ibikoresho bimwe bitari ibiti nka plastiki, reberi nicyuma.
Ubwiza bwikibabi cyinshi ni ingenzi cyane, kuko niba ubwiza bwicyuma bubi butari bwiza, burashobora gutuma ubuso bwibiti butaringanijwe cyangwa buvunika.