Why are small oxygen tanks(that fit in backpacks) not made available anymore?
Some people are too weak to carry the "D" tanks, they need the "C" tanks.
I am unaware that they are unavailable … I still see them being offered …
Some people are too weak to carry the "D" tanks, they need the "C" tanks.
I am unaware that they are unavailable … I still see them being offered …
I am unaware that they are unavailable … I still see them being offered …
References :
RRT-NPS