Taw Qhia Rau Cov Hmoov Txhuam Tshuab Tam Sim No Nws Los Ua kom tiav, txaus nyiam, thiab corrosion, forrosion) forrove ntawm cov khoom hlau, hmoov hmoov ua raws li txoj kev siv tau zoo. Seb koj yog tus tshiab rau kev lag luam lossis xaiv nthuav dav
Peb muaj hmoo heev kom nrhiav tau lub luag haujlwm no thiab ceev faj tus neeg xa khoom. Lawv muab cov kev pabcuam peb tshaj lij thiab cov khoom lag luam zoo. Nrhiav rau pem hauv ntej rau kev koom tes tom ntej!