[rescue] Replacement for canned air?

[Sandwich Maker]

"From: Geoff Koehler <koehler at shaw.ca>
"
"You've got to watch out with that.  Inhale a high concentration of CO2 and you will hit the floor, *hard*.  Im not kidding.

that would apply to bottled n2 or anything else without o2, in large
quantities.
________________________________________________________________________
Andrew Hay                                  the genius nature
internet rambler                            is to see what all have seen
adh at an.bradford.ma.us                       and think what none thought