On Sat, 4 Jan 2014, Admin HWnews wrote: > tady je to s heliem http://www.youtube.com/watch?v=2Z6UJbwxBZI Tady je to pro CO2 a zajimavejsi : http://www.youtube.com/watch?v=GEr3NxsPTOA *------------------------------------------------------------------------* | Petr Simek APS JU | | psimek na jcu.cz | *------------------------------------------------------------------------*