Nyob rau hauv xyoo tas los no, lub suab ntawm kev tiv thaiv ib puag ncig yog nce zuj zus, thiab ntau yam kev tiv thaiv ib puag ncig tau tshwm sim nyob rau hauv qhov kawg, uas tau txuas ntxiv mus rau kev lag luam luam ntawv, tshwj xeeb tshaj yog ntim thiab luam ntawv.Raws li peb paub, VOCs volatilized los ntawm txheej txheem luam ntawv ...
Nyeem ntxiv