Mukugadzira zvigadzirwa zvefenicha, huni dzinoda kukuyiwa nekukwenenzverwa, uye brown fused alumina sanding mabhandi uye silicon carbide sanding mabhandi akakodzera kusarudzwa.
Brown fused alumina abrasives uye silicon carbide abrasives pamusoro pebhandi rejecha shandisa maitiro ejecha rakasimwa zvishoma, uye shandisa jira rinotsigira uye kutsigira bepa zvinoenderana neakananga maitiro ehuni (density, humidity, oiriness, uye brittleness).