Langshuo ndi wotsogola wopanga komanso wogulitsa zida zapamwamba kwambiri zamafakitale opangira miyala.Timakhazikika popereka ma abrasives osiyanasiyana, kuphatikiza maburashi opukutira, zopukutira za nayiloni zosalukidwa, 5-owonjezera / 10-owonjezera oxalic acid abrasives, magnesite abrasives, resin bond abrasives, metal bond diamond abrasives, ndi zina zotero.