Fampiharana:
Ny horonan-taratasy fikosoham-bary avo lenta tokana dia natao manokana hanosehana ny clinkers simenitra, ny tain-drongony mineraly, ny clinkers vy sy ny sisa.
granules kely, mba hanorotoro ny mineraly metaly (ores vy, ores manganese, ores varahina, ores lead-zinc, ores vanadium sy ny hafa) ary
hanototra ireo mineraly tsy metaly (gangues arintany, feldspar, nephe-line, dolomita, vatosokay, quartz, sns.) ho vovoka.