Closed circuit television is used extensively to monitor prisoner movements, and bar-coded wrist bands are used to identify them.
That showed the absolute traceability of beef that was bar-coded, down to portions for sale in a butcher's shop or on supermarket shelves.
That would defeat the objective of being able to identify to which specific voter a bar-coded form was sent or given.
However, it may be easier and more effective to have other means of identification, including, for example, a bar-coded chip or other information.
The packaging also includes a bar-coded label, which allows for the tracking of an astronaut's diet.
All materials are bar-coded and catalogued in the library system.
Digital levels electronically read a bar-coded scale on the staff.
All the issuable books are bar-coded for automated check in and check out.
