Ibiranga: Ibirimo byinshi bya karubone, ivu rito, amashanyarazi menshi & ubushyuhe. Sulfuru nkeya, uburozi buke hamwe nibirimo bike. Ibice byumye, bisukuye kandi biciriritse
Ingano: 0.2-2mm, 1-5mm, 3-8mm, 5-15mmom ukurikije ibyo umukiriya asabwa.
Gupakira: Muri 25kg umufuka muto, 1Mt umufuka munini, cyangwa ukurikije umuguzi akeneye.