Cov lus piav qhia luv luv:

• Cov ntawv lo uas tau tsim cov khoom siv uas tsis tuaj yeem thiab tsis pob lossis khoov yooj yim, haum rau siv ntev lossis sab nraum zoov.
• Traffolyte khaws cov xim tau zoo, yog li koj tuaj yeem siv cov ncauj lus Traffolyte uas muaj cov xim tsis ncaj thaum koj xav kom nyiam mloog thiab txo qis cov xwm txheej.
• Zoo meej rau ob qho tib si sab nraud thiab sab hauv vim los ntawm cov laminated phenolic yas uas yog cov tsis tshua muaj neeg ruaj khov