Optimization of Manufacturing Processes by Reducing the Costs of Tools and Equipment on Hydraulically Operated High-Pressure Technological LinesTeodor Costinel Popescu, Alexandru-Polifron Chiriţă, Ana-Maria Carla Popescu, Andrei Vlad, Gheorghe Alexandru Trăneci and Alina Iolanda PopescuMATEC Web Conf., 368 (2022) 01008DOI: https://doi.org/10.1051/matecconf/202236801008