Daim npav txiv kab ntxwv txhais li cas?
Daim npav txiv kab ntxwv txhais li cas?

Video: Daim npav txiv kab ntxwv txhais li cas?

Video: Daim npav txiv kab ntxwv txhais li cas?
Video: Plab Plab Ntswg..(Pluav Pluav Ntswg) Maiv Twm New Song 2023-2024 2024, Kaum ib hlis
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Liab daim ntawv qhia tias cov khoom yog flammable; Ntsuab daim ntawv qhia tias cov khoom tsis yog-flammable; Dawb thiab daj daim ntawv qhia tias cov khoom yog radioactive; Txiv kab ntxwv placards qhia tias cov khoom tawg; Dawb daim ntawv nrog cov kab txaij dub qhia txog lwm yam khoom siv phom sij.

Yog li ntawd, cov xim ntawm daim placard txhais li cas?

Ua ntej, lub xim ntawm daim ntawv qhia nyob rau hauv pab pawg neeg ntawm cov khoom siv phom sij uas cov ntsiab lus nyob: RED - qhia cov khoom siv hluav taws xob. GREEN - qhia tias cov khoom tsis muaj hluav taws xob. YELLOW - qhia tias muaj oxidizer. BLUE - qhia tias txaus ntshai thaum ntub.

daim placard txaus ntshai txhais li cas? Cov DANGEROUS placard yog ib qho cuab yeej siv tau rau cov neeg nqa khoom phom sij cov ntaub ntawv vim nws tso cai rau lawv hloov ib qho daim ntawv rau ob lossis ntau dua phom sij cov ntaub ntawv uas yuav tsum tau placarding.

Kuj kom paub yog, dab tsi txaus ntshai hauv chav kawm ntawv placard keeb kwm yav dhau yog txiv kab ntxwv?

Chav kawm 1 explosives yog illustrated los ntawm ib txiv kab ntxwv placard nrog rau lawv txoj cai chav kawm txaus ntshai , faib tus naj npawb los yog tsab ntawv compatibility tso rau hauv qab.

Cov lej txhais li cas ntawm cov paib phom sij?

Cov tus lej nyob rau hauv thawj peb qhov chaw nyob ntawm 0 mus rau 4, nrog 0 signifying no phom sij thiab 4 qhia tias mob hnyav phom sij . Piv txwv li, hauv cheeb tsam Reactivity: 0 = Stable. 1 = Tsis ruaj tsis khov yog tias cua sov. 2 = Cov tshuaj phem heev.

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