What is this called?, barcode, QR code, Scanner, What is the definition of barcode?, a printed series of parallel bars or lines of varying width that is used for entering data into a computer system., Its something to look at, Its a kind of computer, What is this picture?, Its a scanner, Its a product, Its a QR code, What is a QR code mean?, A QR code is machine-readable code., It is a machine readable code and used for strong URLs or other information, Its a 3D printer, What is this picture?, Its a secret code, A gun for shooting, Its a scanner to collect information of the product.

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