There has been some debate regarding the correct length of the thawb.

The first step is to select the correct length of rope.

To trim the stairway to the correct length, first lock the top and middle sections into position.

Immediately after the race many runners questioned whether the course was the correct length having finished in unexpectedly good times.

The whip should be the correct length, based on the number of horses used.

If a new trimmer is needed on the other side of the doorway, cut one to the correct length using the same methods.

The final step is to cut the long wire to the correct length and insert it into position.

The cryptanalyst has to rule out the coincidences to find the correct length.

And there is no correct length of time that it should take.

Once the line approached its correct length, the operator would be made aware of this by a bell or other indicator.