DIY oxygen rebreather
Pendulum type oxygen rebreather
DIY oxygen booster
The home made oxygen booster in action.
DIY oxygen booster - first tests
First testing of the oxygen booster - without casing in order to see the construction.
DIY firefighting liquid - first tests
A first atempt of developement of fully natural firefighting liquid.
DIY oxygen rebreather
A first working modification of BCD into the oxygen rebreather.