Ed, i think i good follow up study would be not if this product really works, but rather if this product works better then a simple mild dish detergent and soft fingernail brush.
How about a follow-up study showing the difference in cleaning methods.
Also, granted these chips were very dirty, i think there's a definate possibility that the type of dirt (this being surface muck) might be different then the "not cleaned for ages casino grime".
I look forwaard to your addition report. Thanks much for the post!
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