Question: True or false: When undertaking a levelling survey using an automatic level and levelling staff, the staff must be rocked backwards and forwards to ensure

True or false: When undertaking a levelling survey using an automatic level and levelling staff,
the staff must be rocked backwards and forwards to ensure that the vertical reading can be
taken. The minimum value read from the levelling staff during the rocking of the staff relates
to the vertical height.
True
False
True or false: When undertaking a levelling

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