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Reciprocal levelling is the type of surveying technique or process which is done from both sides to reduce the errors. This process is done when the distance between the two points is too far. Due to the earth curvature, refraction sight can cause errors at far distance as compared to the far distanRead more
Reciprocal levelling is the type of surveying technique or process which is done from both sides to reduce the errors. This process is done when the distance between the two points is too far. Due to the earth curvature, refraction sight can cause errors at far distance as compared to the far distance.
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