Building Materials
Fibre glass

Has a higher strength to weight ratio
Retains heat-longer
All listed here
Is shock proof and fire retardant

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Building Materials
A queen closer is a

Brick laid with its length parallel to the face or direction of wall
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

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