Hinges yuav tsum tau them sai sai rau qhov teeb meem

1. Maj mam so nrog cov ntaub mos mos qhuav, tsis txhob ntxuav nrog cov tshuaj ntxuav tes lossis kua qaub, yog tias koj pom tias muaj cov pob dub ntawm qhov chaw uas nyuaj rau tshem tawm, koj tuaj yeem so nws nrog me ntsis roj av;
2. Nws yog ib txwm ua suab nrov tom qab lub sijhawm ntev, txhawm rau kom ntseeg tau tias lub rubey du thiab ntsiag to ntev, koj tuaj yeem ntxiv qee cov roj lubricating tu tsis tu ncua txhua 2-3 hli.
3. Cov khoom hnyav thiab cov khoom ntse yuav tsum tiv thaiv kom tsis txhob raug ntaus thiab khawb.
4. Tsis txhob rub lub zog thiab ua rau cov khoom puas ntawm cov rooj tog zaum sib koom ua ke thaum tuav.