glass tends to increase and equipment can be used with

safety at cryogenic [,kraiə'dʒenik] temperatures.

Further development in glassmaking continues to create new

glass-ceramics n.【材料學(xué)】微晶玻璃，玻璃陶瓷that outperform vt. 勝過；做得比……好borosilicate glass in various

ways.