Hejuru

Iterambere ryinganda nigicuruzwa rusange kigamije gutwara ibicuruzwa bikoresha rack na pinion. Bashyizwe burundu mumazu kandi bafite ubuzima burebure. Birashobora gukoreshwa mubikorwa bitandukanye, nka chimneys, iminara yikiraro, amashanyarazi y’amashanyarazi, hamwe n’imashini zo ku cyambu.