I can think of several practical uses :-)
cave exploration, travel by submarine, space travel, as well extended stays in bunkers, or indeed wine cellars(!) :drunken_smilie:
Gert
Type: Posts; User: Gert
I can think of several practical uses :-)
cave exploration, travel by submarine, space travel, as well extended stays in bunkers, or indeed wine cellars(!) :drunken_smilie:
Gert