Exploitation aspects of diagnostic hydraulic and pneumatic systems of Multimedia Hybrid Mobile StagesTomasz Kałaczyński, Valeriy Martynyuk, Juliy Boiko, Sergiy Matyukh and Svitlana PetrashchukMATEC Web Conf., 332 (2021) 01022DOI: https://doi.org/10.1051/matecconf/202133201022