DEVISING A TECHNIQUE FOR CONSTRUCTING TUBULAR SURFACES REFERRED TO A COORDINATE GRID OF LINES OF CURVATURE. - Nesvidomin, Andrii; Pylypaka, Serhii; Volina, Tetiana; Nesvidomin, Victor; Solarov, Oleksandr; Voloshko, Taras; Pylypaka, Taras; Savchenko, Lidiia; Savchenko, Oleksandr; Zakharova, Irina (Eastern-European Journal of Enterprise Technologies, 2026)