Contributions to risk injury evaluation of human skin contact caused by welding technology in mechanical engineering a companyGheorghe Amza, Dan Florin Niţoi, Valentin Dan Petrescu, Oana Roxana Chivu and Zoia ApostolescuMATEC Web Conf., 121 (2017) 11002DOI: https://doi.org/10.1051/matecconf/201712111002