TY JOUR TI 3-D technologies in shipbuilding and ship repair. Overview of the current state KW Additive technologies KW 3D scanning KW 3D printing KW shipbuilding KW ship repair KW technical regulation KW certification KW introduction of new technologies JO Operation of Maritime Transport AU Khalilov, N.A. AU Ogurtsov, D.V. AU Koperchak, O.P. PY 2020 IS PB Budget Educational Institution of Higher Education “Admiral Ushakov State Maritime University”