Surveying
The rise and fall method

quicker and less tedious for large number of intermediate sights
is not suitable for levelling with tilting levels
is less accurate than height of instrument method
provides a check on the reduction of intermediate point levels

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Surveying
Dumpy level is most suitable when

many readings are to be taken from a single setting of the instrument
All of these
the instrument is to be shifted frequently
fly levelling is being done over long distance

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