“…Schematic diagram of the installation for purifying testing pipelines and hydrogen environments together with the system responsible for the formation of gaseous environments in the chamber: (I) forepump, (2) vacuometer,(3,4,10) valves, (5) hydraulic aggregate, (6, 7) cylinders, (8), 9) back valves, (11) hydrogen bomb, (12) cartridge, (13) heating element.…”