Chương 33: Tinh dầu và các chất tựa nhựa; nước hoa, m�?phẩm hoặc các ch�?phẩm dùng cho v�?sinh With its great resistance to oxidation and corrosion and also resistance to temperature modifications, this ceramic is likewise used as being a element for refractory applications: burner nozzles, jet and flame tubes https://www.pinterest.com/pin/1001488035878259581/