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Depending on the site, it can be something like product inventory or silo measurements under Data Entry.
From
the above picture we can look further into Silo 1 by navigating to silo configuration:Items from the silo maintenance and\or product inventory maintenance page can are configured on the silo configuration pages.
This is done by clicking on the webadmin menu item
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To see how these values change click here:
Silo Tonnage Calculations for Lookup Tables
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