Barcode readers read the white parts not the black.
From http://kianorshahmohammadi.com/post/148589177315
source https://dentaleconomicsus.wordpress.com/2016/08/07/unbelievable-facts-barcode-readers-read-the-white-parts-not/
Barcode readers read the white parts not the black.
From http://kianorshahmohammadi.com/post/148589177315
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