Tus neeg siv phau ntawv qhia rau cov khoom ua si ntoo
Rau cov khoom ua si ntoo uas nyuam qhuav yuav, qhov cua thiab ziab kom zoo tuaj yeem ua kom nrawm nrawm ntawm cov kuab tshuaj residues thiab cov tshuaj phem rau ntawm qhov chaw.
Ua tib zoo saib cov cim ceeb toom lossis cov lus qhia ntawm pob. Cov niam txiv yuav tsum nkag siab tag nrho cov kev phom sij ntawm kev siv tsis raug ceeb toom hauv cov lus qhia ceeb toom, thiab qhia lawv cov menyuam kom xyuam xim thaum ua si.
"Qhov chaw yooj yim poob tawm" yog thawj qhov kev phom sij zais hauv cov menyuam yaus cov khoom ua si. Qhov me me ntawm cov khoom ua si yog qhov yooj yim kom poob tawm thiab nqos los ntawm cov menyuam yaus, tshwj xeeb tshaj yog cov menyuam mos hnub nyoog qis dua peb xyoos, ua rau asphyxia.
Txawm hais tias feem ntau cov khoom ua si muaj cov lus qhia ceeb toom, xav txog cov yam ntxwv ntawm lub hnub nyoog ntawm cov menyuam yaus, feem ntau yooj yim tsis quav ntsej cov lus ceeb toom. Cov niam txiv yuav tsum tau saib xyuas tshwj xeeb los qhia cov lus qhia ua ntej cov menyuam yaus ua si thiab saib xyuas lawv thaum ua si kom tsis txhob muaj kev phom sij.
Nws tau hais meej meej nyob rau hauv National Technical Code for Toy Safety (GB6675) uas:
Cov khoom ua si siv los ntawm cov menyuam yaus hnub nyoog qis dua 36 lub hlis yuav tsum tsis muaj qhov me me. Nws yog ib qho tseem ceeb tshwj xeeb uas cov khoom me me yuav tsum tsis txhob raug tsim tom qab ntau qhov kev sim tsim nyog tsim nyog xws li rub, nias thiab tso tseg.
Cov khoom ua si siv los ntawm cov menyuam yaus hnub nyoog tshaj 36 lub hlis raug tso cai kom muaj cov khoom me me, tab sis cov cim ceeb toom yuav tsum tau teeb tsa los qhia rau cov neeg siv khoom txog lawv qhov kev puas tsuaj ntawm kev raug mob.
Qee cov khoom ua si muaj ntau cov kuab lom, kev sib txhuam thiab cov xim tsis zoo, uas tuaj yeem ua rau cov tshuaj lom thiab tsis zoo rau hauv lub cev los ntawm kev kov thiab nqus, ua rau muaj kev phom sij. Yog li ntawd, thaum menyuam yaus ua si, cov niam txiv yuav tsum ceeb toom cov menyuam yaus kom tsis txhob muab cov khoom ua si tso rau hauv lub qhov ncauj kom nqus, thiab ntxuav lawv txhais tes hauv lub sijhawm tom qab ua si kom tsis txhob muaj tshuaj lom neeg nkag mus rau hauv lub cev.
