Photo: Every digit inside a barcode is represented by seven equal-sized vertical blocks. They're colored in both black or white to stand for the decimal quantities 0–9. Every single range in the end consists of 4 fat or thin black and white Zebra’s mobile computing, scanning, and printing options join https://connerxncqd.wssblogs.com/27511654/barcode-scanning-can-be-fun-for-anyone