______ bricks can withstand up to a temperature of 1800¬¨¬®‚Äö

1.	______ bricks can withstand up to a temperature of 1800¬¨¬®‚Äö√†√ªC.$#
A.	Refractory
B.	Fly ash
C.	Clay
D.	Cement
Answer» B. Fly ash

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