The type of glass that is often used for both safety and security purposes because it is three to five times stronger than regular glass and five times as resistant to heat is:

The type of glass that is often used for both safety and security purposes because it is three to five times stronger than regular glass and five times as resistant to heat is:
A . Reflective glass
B . Coated glass
C . Wired glass
D . Tempered glass
E . None of the above

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Answer: D