This is how the dry powder portable fire extinguisher looks like when put in a transparent container.
This photo shows the internal construction of a Cartridge Operated Portable Fire Extinguisher, this is one of the most common design used in Germany
This is a portable manual hydraulic pressure pump, for testing any parts which requires confirmation on the strength of the parts against pressure. Parts normally tested are the container cylinder body, discharge hose, control valve, etc.
Any bikers here, how about something different for your head protection?
Oh no, this are fireman helmets.