Each student is asked to cut off a length of string of a specified length without using a measuring device.
(Each student; is asked; to cut off a length of string of a specified length without using a measuring device) (Each student; to cut off; a length of string of a specified length)
Each student Each student
is asked to cut off
to cut off a length of string of a specified length without using a measuring device
a length of string of a specified length