Bolonnyi, V.T. 2025. HYDRODYNAMIC ANALYSIS AND INNOVATIONS IN PIPELINE MAINTENANCE SERVICE WITH DEFECTS. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY. Number. 20(76) (Jul. 2025), 172–186. DOI:https://doi.org/10.31471/2304-7399-2025-20(76)-172-186.