Building Construction
Auger boring

Is the most primitive method for making a hole in the ground
Is generally employed in cohesive and other self soils above water table
All of these
Is most economical up-to a depth of 5 meters

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Building Construction
In English garden wall bond

All of these
The middle course of stretchers is started with a header to give proper vertical joints
One course of headers to three or five course of stretchers
Queen closer in provided in each heading course

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