Drop attacks and Vertigo and Head symptoms (4 causes) Drop attacks and Vertigo and Low blood pressure (4 causes) Drop attacks and Vertigo and Sensations (4 causes) Drop attacks and Vertigo and Breathing difficulties (4 causes) Drop attacks and Vertigo and MORE SYMPTOMS.
Woodland was an employee at the time of IBM. In June 1974, one of the first UPC scanner, made by NCR Corp. (which was then called National Cash Register Co), was installed at Marsh's supermarket in Troy, Ohio. On June 26, 1974, the first product with a bar code was scanned at a check-out counter. It was a 10-pack of Wrigley's Juicy Fruit chewing gum. The pack of gum wasn't specially designated to be the first scanned product.
there are two types of barcodes linear or 1d and 2d the most visually recognizable the upc universal product code is a linear 1d barcode made up of two parts the barcode and the 12 digit upc numberthe first six numbers of the barcode is the manufacturer s identification numberarcodes work through the combination of a symbology the barcode and a scanner that can read the symbols and convert them into useful information often information about an item s origin price type and location