Shock Resistance Improvement of Carbon Steel Carabiners Used at PPE Diana-Petronela Burduhos-Nergis, Andrei-Victor Sandu, Dumitru-Doru Burduhos-Nergis, Doru-Costin Darabont, Radu-Ioachim Comaneci and Costica Bejinariu MATEC Web Conf., 290 (2019) 12004 Published online: 21 August 2019 DOI: 10.1051/matecconf/201929012004