1. Lub zog muaj cov txheej txheem ruaj khov
Siv cov qauv hlau los yog cov txheej txheem txhuas alloy nrog cov txheej txheem vuam thiab cov txheej txheem sib dhos Lawv tseem muaj cov qauv zoo hauv av hauv cov qauv ib txwm muaj, ua rau lawv haum rau cov chaw sab nraum zoov (xws li cov chaw zoo nkauj thiab chaw pw hav zoov).
2. Ib puag ncig tus phooj ywg thiab cov ntaub ntawv tua hluav taws
Cov npe nrov feem ntau siv cov phooj ywg ib puag ncig (xws li formaldehyde - rwb thaiv tsev (xws li cov ntaub plaub pob zeb). Lawv cov Circuit Court tsim kuj ua raws cov qauv kev nyab xeeb (suav nrog kev tiv thaiv kev nyab xeeb thiab kev phom sij rau kev tiv thaiv hluav taws thiab formaldehyde.
3. Kev tiv thaiv kev ua tau zoo thiab tsim nyog siv
Cov sab nrauv feem ntau tsim cov kua dej lim dej lossis cov ntawv hlau, muab kev tiv thaiv los nag thiab noo noo. Qee cov khoom kuj tseem muaj cov rooj kev ruaj ntseg thiab qhov rai, ua rau lawv haum rau kev saib xyuas chaw zoo nkauj lossis chaw nyob sab nraum zoov.
