Shop Moves

For Data Collection practices at our facility, the person who completes an 
Operation Moves it to the next Operation.
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I've been thinking about automatically creating the Move when they clock 
an Operation as Complete.
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It seems like a hassle to have to enter the Quantity again when doing the 
Move, especially since they entered it moments ago.
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If we trust the employee to Close the Operation, we should be able to 
automatically create the Move based upon that transaction.
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Any thoughts on this, or have I missed an obvious condition or gotcha?
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Thanks in advance for any comments......