Illegible barcodes. How to avoid it [infographics] 6 Apr 2022 - Marek Gaweł Author of infographic: Joanna Rawlik-Krupa Udostępnij Marek Gaweł Product manager in the field of automatic identification devices in the Product Development Department. He has several years of experience in the industry. Marek is a graduate from the University of Economics in Katowice. He is passionate about football and he likes riding a bike. He is interested in the history of his hometown Bytom.