Lost Yooper
Guest
None of it makes any sense. It's just another money issue. Mixing helium is a heck of a lot safer than 02, but what does that matter
. They have to make money by offering another class. By the time you get done with those programs, you could have built your own filling station (at least a substantial part of it). It's not rocket science; get the books, follow the "rules", and don't blow yourself up. Pretty easy really.
Mike
Not that I would do that.

Mike
Not that I would do that.
