Surveying
The rise and fall method of levelling provides a complete check on

All of these
intermediate sight
foresight
backsight

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Surveying
The prismatic compass and surveyor’s compass

both give WCB of a line
give whole circle bearing (WCB) of a line and quadrantal bearing (QB) of a line respectively
both give QB of a line
both give QB of a line and WCB of a line

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