Qhov zoo ntawm cov ntaub qhwv lub tshuab cua sov yog nyob ntawm lub neej:

Ntxiv nrog rau qhov zoo ntawm cov hlau tsis muaj zog, lub neej ntawm cov cua sov raj kuj muaj feem xyuam rau qhov zoo ntawm magnesium oxide hmoov thiab kev xaiv ntawm txoj kab uas hla ntawm cov hlau tsis kam. Rau cov kav dej kub kub, Qiaohua Hluav Taws Xob Khoom Siv Hluav Taws Xob tuaj yeem tsim cov kav dej cua sov nrog cov khoom ntim hauv qab 8W / CM2. Thaum xaiv txoj kab uas hla ntawm cov hlau tsis muaj zog, qhov saum npoo ntawm cov hlau tsis kam yuav tsum tau muab xam kom tau raws li lub neej xav tau.