Lytviak, Oleksandr, Sergii Komar, Oleksandr Derevyanko, and Viacheslav Durieiev. 2021. “Devising Quality Control Criteria for Manufacturing Control Valves of the Type «nozzle-Flap»”. Eastern-European Journal of Enterprise Technologies 1 (1 (109):27-34. https://doi.org/10.15587/1729-4061.2021.224918.