Qhov teeb meem ntawm cov khoom siv raw rau cov khob ntawv pov tseg thiab cov tais zaub mov

Yav dhau los, siv quav ciab-coated ntawv khob yog siv ntau tshaj plaws. Nws yog soaked nyob rau hauv wax. Nws tuaj yeem tuav cov dej txias xwb, tsis yog cov khoom oily, vim tias cov roj tuaj yeem yaj cov quav ciab. Ciab melts ntawm ib ncig ntawm 40 degree, thiab siv quav ciab muaj carcinogenic polycyclic aromatic hydrocarbons.

Tam sim no feem ntau siv yog lub khob ntawv-yas, uas yog ib txheej ntawm daim ntawv nyob rau sab nraud thiab ib txheej ntawm cov ntawv coated nyob rau hauv, uas yog ib tug puab polyethylene yas zaj duab xis. Txawm hais tias txheej txheej txheej yog ntawv, txheej txheej yas yas yog nyob rau hauv kev sib cuag nrog cov khoom noj, yog li nws muaj kev tsis sib haum xeeb seb lub khob no txhais tau tias yog lub khob ntawv lossis lub khob yas. Nyob rau hauv cov nqe lus ntawm kev sim, ob qho tib si ntawv thiab yas zoo yog kuaj.

Yog tsis muaj wax, tib neeg yuav xav tias muaj kev nyab xeeb nyob rau hauv daim ntawv-yas khob. Qhov tseeb, nws muaj qhov pheej hmoo tshaj plaws. Cov teeb meem kev noj qab haus huv ntawm txheej txheej ntawm daim ntawv yog qhov tseem ceeb heev. Yog tias txheej txheej muaj dej, pwm yuav tsim.

Cov khob ntawv tau muab tso ua ke, thiab pwm nyob rau sab nraud yuav inevitably paug rau sab hauv. Thaum siv cov khob ntawv, nco ntsoov xyuas seb lawv puas ntub thiab pwm.

Qhov thib ob, tus number case luam tawm ntawm txheej txheej feem ntau muaj ntxhiab tsw, yog tias nws muaj zog heev tsis hnov ​​tsw, ces tus number case yuav tsis ua raws li tus qauv. Feem ntau cov tshuaj pleev ib ce muaj benzene thiab toluene, thiab benzene yog cov tshuaj carcinogen.

Peb siv cov ntawv tsis-benzene thaum luam peb lub tais thiab khob. Txhawm rau kom paub tseeb tias peb cov khoom muaj kev nyab xeeb rau pob khoom noj.

Qee lub khob ntawv yuav ua los ntawm cov ntawv pov tseg. Txhawm rau ua kom cov khob ntawv zoo nkauj dua, cov tuam ntxhab yuav siv tshuaj dawb thaum lub sijhawm tsim khoom. Qee cov tuam txhab lag luam kuj tseem siv cov hmoov fluorescent los ua kom cov xim dawb. Raws li lub teb chaws txoj cai, daim ntawv zaub mov tsis pub siv fluorescent hmoov. Yog li ntawd, qhov whiter lub khob ntawv, qhov tsawg dua kev nyab xeeb.

Yog tias cov yeeb yaj kiab yas nyob rau sab hauv yog cov khoom noj-qib yas, nws tuaj yeem ua tau raws li lub tebchaws yuav tsum tau ua. Yog tias siv cov yas siv, txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhuam, nws yuav tsum tau siv cov yas yas, lub khob ntawv yuav ntxiv cov yas yas. Kev tu cev tsis tuaj yeem lav tau yog tias cov tshuaj ntau dhau los yog siv cov yas yas tsis raug cai.