Olkhovy, I. “TO A QUESTION OF RESEARCH OF HARDNESS AND TIGHTNESS OF A SHUT-OFF HIGH- PRESSURE ACCESSORY OF TANKS OF FIRE ENGINEERING”. Fire Safety 6 (November 17, 2020): 153-156. Accessed May 19, 2024. https://journal.ldubgd.edu.ua/index.php/PB/article/view/1865.