Ntawm tsib tus hlau, peb yog pob tshab heev, tsis tsuas yog siv nyob hauv peb cov khoom lag luam, thiab peb tau cog lus kom tsawg ntawm kev siv cov thev naus laus zis tshiab thiab cov khoom siv raw ntau.
Tsib siv hlau siv ib puag ncig ib puag ncig cov khoom txau thiab ua cov txheej txheem tso tawm (vocs) thiab tiv thaiv cov pa zoo thiab cov neeg ua haujlwm muaj kev noj qab haus huv. Tsis tas li ntawd, nws txhim kho cov khoom siv xim pleev xim thiab txo cov xim pov tseg thiab kev siv tau. Qhov no pab kom txo cov kev cuam tshuam ib puag ncig ntawm cov txheej txheem ntau lawm thiab ua tiav cov hom phiaj txhim kho kom ruaj khov.
Peb cov khoom rwb rwb rwb thaiv cov khoom siv thermal tawg uas txo kev siv hluav taws xob thiab cov pa roj carbon paug. Cov khoom no muaj cov khoom siv rwb thaiv tsev zoo heev, ua kom zoo txo cov cua sov thiab txo cov tshuab cua txias thiab cua txias. Qhov no tsis yog txo qis kev siv hluav taws xob thiab cov pa roj carbon paug, tab sis kuj tseem txuag cov peev txheej. Kev siv cov khoom lag luam rwb thaiv tsev heev txhim kho lub zog txuag hluav taws xob ua tau zoo, nce sab hauv siab sab hauv siab thiab txo cov zog siv hluav taws xob.
