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Hydrogen is increasingly recognized as a promising energy carrier, but its storage poses significant safety challenges. One of the most common storage methods is the use of high-pressure Type I steel cylinders, where hydrogen is kept in gaseous form at variable pressures up to 1000 bar. Cylinders used in industrial processes are usually equipped with pressure or temperature-pressure relief devices, while transportation units often lack such protection. In accident scenarios, especially under fire exposure, cylinde...

There are situations in which human health is at risk from inhalation of hazardous substances and particles (viral epidemics, biological weapons, chlorine leaks, nuclear accidents, asbestos removal, quarrying). In response to these scenarios, emphasis is placed on respiratory protection and minimising exposure to these substances and particles. One of the most commonly used respiratory protective devices is respirators. However, respiratory protection for children is not addressed by any manufacturing or testing t...