Building Construction
Weep holes are provided in retaining and breast walls

To ventilate the stone masonry
To drain off the water from the filling
To add architectural beauty
To increase compaction of the earth retained

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Building Construction
Mansard roof is a roof which slopes in

Two directions with break in the slope on each side
Two directions without break in the slope on each side
Four directions without break in the slope on each side
Four directions with break in the slope on each side

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