Building Construction
Weep holes are provided in retaining and breast walls

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

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Building Construction
Mansard roof is a roof which slopes in

Two directions with break in the slope on each side
Four 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

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