1. Imashini ifunitse ni izina risanzwe rikoreshwa mukubaka imishinga yubwubatsi, byerekana ko diameter yumurongo wibyuma utarenze milimetero icumi;
2. Kuberako ibyuma byibyuma biri munsi ya milimetero icumi byoroshye kugorama, kugirango bigabanye uburebure mbere yubwikorezi, uwabikoze azunguza ibyuma birebire byuma muruziga, naho ibyuma byitwa uruziga rukomatanyirijwe ahubatswe;
3. Ikoreshwa cyane mubwubatsi bwububatsi nkamazu, ibiraro, imihanda, nibindi.
4.Icyuma cya coil cole yo kubaka
Icyuma cyo kubaka, nkuko izina ribigaragaza, ni rebar ihujwe hamwe nkumugozi.Mubisanzwe, ibyuma byinshi kumasoko ni 6.5-8.0-10-12-14.Mubisanzwe, mugihe cyo kubyara, ibishishwa byapimwe bipimwa, cyane cyane ko ibishishwa bifatanye kandi ntibishobora kugenzurwa.Muri icyo gihe, ku isoko ryibyuma byumunsi, hariho ibyiciro bitatu gusa byinshyi.