Cov ntawv thov ntawm cov pa npuas zais zis tso tsheb hlau luam

Hauv cov tshuaj thiab cov nplaim hluav taws xob, muaj cov tshuaj tua hluav taws uas muaj cov pa hluav taws kub uas muaj cov tshuaj tua hluav taws kub vapors {{2 2}} Piv txwv li cov roj av tau muab tso rau hauv hluav taws kub kom sai li cas los yog cov khoom siv ua npuas dej

Roj thiab roj ntau lawm, chaw khaws khoom, muaj qhov chaw tsheb hluav taws xob ua npuas dej kom tau txais cov pa hluav taws kub ua npuas ncauj Cov chaw nres tsheb, loj - lub zais roj zais pa kom muaj cov hlau hluav taws xob kom txias rau cov hlau hluav taws kub thiab tsis txhob ua rau lub teeb meem hluav taws kub thiab tiv thaiv cov hlau hluav taws kub thaum lub ntsej muag zoo thaum hluav taws kub .

Lub dav hlau dav hlau nthuav qhia cov nyom - kev tiv thaiv kev sib tw ntawm cov chaw muaj hluav taws xob nrawm thiab ua npuas ncauj - rau - huab hwm coj, tso cai rau nws ib thaj chaw loj thiab tua hluav taws tau zoo {8} Nws kuj tseem yuav txo qhov ntsuas kub hauv lub hangrar, tiv thaiv lub dav hlau hauv tshav dav hlau.

Ntau thiab cov chaw nyob hauv av, xws li subways thiab chaw nres tsheb khiav tawm mus muab cov hluav taws kub thiab tsis muaj pa hluav taws kub thiab ntxhua khaub ncaws} Qhov no yuav pab txhim kho kev nyab xeeb ntawm Cov neeg nyob thiab tswj kev khiav tawm ntawm .

Cov ntaub ntawv cov chaw hauv tsev tseem ceeb thiab muaj kev nkag siab txog cov dej hauv cov ntaub ntawv lossis cov khoom siv hluav taws xob tsis muaj zog Qhov hluav taws kub thaum tsis tshua muaj kev pheej hmoo ntawm luv - circuits thiab corrosion, ua kom muaj kev ua lag luam txuas ntxiv ntawm kev lag luam kev lag luam.