gas mask thiab qhov chaw nkaum chamber
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gas mask thiab qhov chaw nkaum chamber
Xintan hopcalite, carbon dioxide adsorbent thiab desiccant tau dav siv hauv cov qhov ncauj qhov ntswg thiab qhov chaw nkaum.Thaum muaj hluav taws kub, ntau cov pa luam yeeb thiab cov pa roj carbon monoxide tsim tawm.Cov pa roj carbon monoxide ntau dhau tuaj yeem ua rau asphyxiation.Yog li cov chaw pej xeem yog ge ...Nyeem ntxiv
