7.2.5.3 The precision of the scale, analytical balance, or mass comparator, as determined through appropriate process control charts, should be suitable for the echelon at which it is used.
(The precision of the scale, analytical balance, or mass comparator; should be; suitable for the echelon) (it; is used; )
The precision of the scale, analytical balance, or mass comparator it
should be is used
suitable for the echelon