Building Materials
The cracks caused by shrinkage of the exterior surface of the wood exposed to atmosphere, are called:

Radial shakes
Twisted fibres
Heart shakes
Wind cracks

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Building Materials
A queen closer is a

Brick laid with its breadth parallel to the face or direction of wall
Brick having the same length and depth as the other bricks but half the breadth
Brick with half the width at one end and full width at the other
Brick laid with its length parallel to the face or direction of wall

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