Ikozwe mu cyuma gikomeye gifite icyuma kitagira umugozi gikozwe mu mashini kugira ngo igire uburemere burambye kandi bwizewe kandi burambye mu myitozo igoye. Isizweho irangi ryinshi kugira ngo igabanye kwangirika kw'ubutaka. Ishobora gukoreshwa mu gukora imyitozo yo gukomeza imitsi no gutoza kwihangana, kandi kugira ngo yongere ubworoherane no kuringaniza, isahani imwe y'uburemere nayo ni nziza mu gushyushya. Buri sahani ifite imyenge 3 ifite imirongo kuri yo kugira ngo yoroshye kandi ifate neza mu gihe cyo gupakira no gupakurura ibiro. Isahani 2.5+5+10+15+20+25kg Isahani nini yo hagati ifite umwobo wa mm 50