Ibice byumuzunguruko hamwe nubushuhe bwumuriro kuri substrate biratandukanye, hamwe nubushuhe bwumuriro wibice byumuriro bihuza neza nubushyuhe bwogukoresha ubushyuhe kugirango bigerweho neza.Ibikoresho bya substrate muri rusange ni icyuma (Umuringa).