The outer most support of an arch is
Apiers
Bskew-back
Cabutments
Dintrados
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Related Questions:
Surveys which are carried out to provide a national grid of control for preparation of accurate maps of large areas,are known
The survey in which the curvature of earth is taken into account is:
Pantagraph is used for
Instrument used for finding the area of irregular plane figure is:
The back sight reading on a benchmark (100m) was 2.750m. If the inverted staff reading to the bottom of a slab is 1.250m. RL of the bottom of the slab is: