> The "units" are a pair of midget captains operating a winch that drives an
> archimedes screw emptying a bathtub causing the bather to stand up and
> shout "Eureka!" whereupon he bonks his head and as he passes out reads a
> UPC code off of a product label.  NO WAITAMINUTE WRONG PROJECT  ;-)
>
> THey are barcode scanners.  And yes, the user can try again if they don't
> work the first time, unless he gives up and flings them across the room at
> the bather.  At 60% accuracy I give that a 50-50 chance of happening.
> (how's that for statistics huh?)

        From what I've seen of typical scanners your "results" are probably bang
on. I often see cashiers just give up scanning certain items and entering
the numbers in manually. Blame the product manufacturers, some products are
in packaging that just prevents good scans. TTYL

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