Useful measurement requires both an instrument for measurement (such as a stick to mark off length) and an agreement on the units to be used (such as inches, meters, or miles).
(Useful measurement; requires; both an instrument for measurement) (an agreement on the units; to be used; such as inches, meters, or miles)
Useful measurement an agreement on the units
requires to be used
both an instrument for measurement
such as inches, meters, or miles