Feem ntau cov neeg tsim khoom tau suav tsis siv neeg suav thiab ntim ntawm cov khoom siv roj av. Peb lub tuam txhab tau tshaj tawm tshwj xeeb kev co discs rau gaskets thiab ntxiv nrog cov khoom suav suav tsim nyog. Nws tuaj yeem paub qhov kev suav zoo thiab cov teebmeem ntim, thiab tuaj yeem siv rau qee qhov loj me.
