A steel member used in the furnace construction to take the thrust of the brickwork is called?

A steel member used in the furnace construction to take the thrust of

1.	A steel member used in the furnace construction to take the thrust of the brickwork is called?
A.	Buckstay
B.	Breast wall
C.	Armouring
D.	Baffle
Answer» B. Breast wall