Aluminium tsev xog paj thiab vaj tsev Feem ntau siv 3mm iav toughened lossis 4mm toughened iav. Peb muab cov iav tawv uas ua tau raws li EN-12150 tus qauv. Ob lub duab plaub thiab zoo li iav tuaj yeem hloov kho raws li cov neeg siv khoom xav tau.