| http://www.w3.org/ns/prov#value | - Along side of the conveyor belt 302(1) is provided a row of n label readers 304(1), 304(2), . . . 304(n) collectively referred to as readers 304 and two sets of gates: n gates 306(1), 306(2) . . . , 306(n) collectively referred to as gates 306, where n is a positive integer, and n gates 308(1), 308(2) . . . , 308(n) collectively referred to as gates 308, where n is a positive integer.
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