| http://www.w3.org/ns/prov#value | - As the majority of conventional shelving units are placed so as to be backed by a wall or other display units and the removal of any of the flex bags 20 directly from the retention zone 50 c is inhibited as detailed above, the removal of any of the flex bags 20 from the tier 14 entails the movement of the flex bag 20 toward the front of the tier 14 and into the dispensing zone 50 c.
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