The tšobotsi e ka sehloohong ea ho blastroom moea ke hore opareitara e ka har'a kamore e ka nako ya tshebetso qhomisa. A sutu sireletsang le ne le roetse helmete sireletsa opareita tloha tshusumetso khorofo, le foreshe moea phepelo e fana ka ventilation lekaneng ka helmete ea blaster e.
'Me e dikarolo Mahlonoko: The kamoreng, lerole pokello, hlaphoheloa khorofo, le abrasives botjha ha thepa,' me thepa ea ho qhomisa e eo e loketse ho mefuta e mengata ea sebetsang.