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barcosofttech

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Joined: 12:48 Thu 19th Nov 2020

Last Activity: 12:51 Thu 19th Nov 2020

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PAT60DUNNE

Barcode Scanners

How does a barcode scanner work. What is the light inside that scans - is it harmful if placed directly in front of you and seems to scan you as well as the barcode??

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Barcode Scanners

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