1. Cov khoom tseem ceeb ntawm cov tshuaj tua hluav taws qhuav yog sodium bicarbonate, uas yog, "baking soda" thiab diammonium hydrogen phosphate ua cov ntaub ntawv tseem ceeb.
2. Qhov ntsuas kub ntawm cov tshuaj tua hluav taws qhuav yog siab tshaj -23 degree, thiab thaum nws siab tshaj -23 degree, nws tsis nquag tua, siv lossis siv tsis tau txhua.
3. Txawm hais tias cov tshuaj tua hluav taws qhuav tuaj yeem siv rau Class A qhov hluav taws kub, nws tsuas tuaj yeem tswj tau qhov hluav taws kub, tab sis tsis tuaj yeem tua hluav taws, yog li cov hmoov tshauv tuag yog ib qho yooj yim rau re-ignite.
4. Cov hmoov tua hluav taws qhuav yog txau rau hauv cov hmoov, thiab cov tshuaj tsuag npog qhov pom ntawm cov neeg tua hluav taws, uas cuam tshuam rau kev ua pa ntawm cov neeg tua hluav taws thiab tsis tuaj yeem siv ib txwm.
5. Qhov xwm txheej yog qhov tsis sib haum xeeb tom qab cov tshuaj tua hluav taws qhuav qhuav, thiab cov khoom siv tshuaj tsuag yog qhov nyuaj los ntxuav, thiab kev lag luam poob yog qhov hnyav dua.
6. Yog tias cov hmoov qhuav qhuav tua hluav taws vibrates rau lub sijhawm ntev, tus neeg sawv cev yog ib qho yooj yim rau tawv thiab ntub thiab siv tsis tau.
