The exposed vertical surface perpendicular to the door frame is known as
AJamb
BReveal
CCorbel
DMullion
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Related Questions:
Which type of joint is used in frame of door and windows ?
The window which projects outside the room of a building for admitting more light and air is known as
A wooden block hinged on post outside a door, is known
A recess made inside the doorframe to receive the door shutter is:
A window usually fixed on the sloping surface of a roof