Qhov uas siv los kho cov hniav pads yog hais txog nkhaus. Txoj haujlwm ntawm nkhaus yog txhawm rau kho cov hniav. Cov nkhaus tuaj yeem muab faib ua hlau, tej hub, cov khoom siv thiab lwm hom.
1. Hlau nkhaus: Hlau nkhaus muaj corrosion tsis kam thiab siv los kho cov hniav. Feem ntau, cov nplaum yuav tsum tau khi rau saum npoo ntawm cov yas, thiab tom qab ntawd txoj hlua khi tau siv rau kev kho.
2. Ceramic nkhaus: Tej hub nkhaus muaj kev sib haum zoo, tuaj yeem ua tiav kev kho tau zoo zoo, thiab muaj qee yam kev sib sau ua ke. Txoj kev nkhaus tau muab tso rau ntawm daim di ncauj ntawm cov hniav, thiab cov nplaum ntoo yog siv los kho cov nkhaus.
3. Cov Khoom Siv Nyiaj: Composite Cov Khoom Siv Caws Yuav Xaiv tau. Qhov zoo yog qhov zoo nkauj dua, zoo dua bracket lub zog, tsawg txhuam, thiab yuav tsis cuam tshuam rau tus neeg mob tus duab. Nws yog cov khoom kho hniav kho kom zoo.
Nws raug nquahu tias tom qab kho hniav, nws tsis haum rau cov khoom noj nyuaj, thiab nws yog qhov tsim nyog rau kev noj zaub mov teeb.