Boleng ba boleng bo phahameng ba alumina le li-abrasives tsa lehoakhoa li hatelloa haholo.
Likarolo tsa sehlahisoa: polokeho ea sehlahisoa, ts'ebetso e phahameng, ho sebetsa ka mokhoa o phahameng, ho itšireletsa haholoanyane, ho tsitsisa le ho tšoarella, ka litšobotsi tsa ho hanyetsa ho phahameng, ho hanyetsa tšusumetso, ho koba sekhahla, lebelo la ho sila kapele, ho sila hantle, bophelo bo bolelele ba ts'ebeletso.
Sehlahisoa se sebelisoa haholo bakeng sa: ho sila, ho tlosa mafome, ho bentsa, ho sila tšepe, ho tjheseletsa seam, ho tjheseletsa seam, le ho betla bokaholimo.