Lub npog ntsej muag ib nrab siv rau dab tsi?

Ib nrab ntsej muag ua payog cov tshuab ua pa kom huv uas muaj peev xwm muab kev tiv thaiv los ntawm ntau hom plua plav, pos huab, fumes, pos huab, gases, pa luam yeeb, tshuaj tsuag, lossis vapors. Txhawm rau kom tau txais kev tiv thaiv no, nws yog ib qho tseem ceeb uas koj yuav tsum tau teeb tsa kom raug.

Cov tshuab ua pa no feem ntau hnav hauv kev lag luam xws li kev tsim kho, tsim khoom, pleev xim, tshuaj, thiab kev kho mob. Lawv pab txo qis kev pheej hmoo ntawm cov kab mob ua pa los yog kev noj qab haus huv mus sij hawm ntev los ntawm kev nqus cov khoom phom sij.

Lub npog ntsej muag ib nrab npog tsuas yog lub qhov ntswg thiab qhov ncauj, muab kev tiv thaiv thaum tso cai rau tus neeg hnav kom muaj kev pom zoo thiab kev nplij siab zoo dua piv rau lub ntsej muag ua pa puv. Tsis tas li ntawd, ib nrab lub npog ntsej muag feem ntau siv nyob rau hauv ib puag ncig uas muaj cov pa oxygen txaus, qhov twg cov lim cua lim tuaj yeem tshem tawm cov kab mob zoo.