It's too simple!
Every tank that contains anything except AIR should be labeled as to its 
contents.

So.... If you fill a tank with a NITROX label with air  -- OFF comes the 
NITROX label. 

Can you grasp this concept?
If not, can you spell "russian roulette"?

Safe Diving
r.b.

Navigate by Author: [Previous] [Next] [Author Search Index]
Navigate by Subject: [Previous] [Next] [Subject Search Index]

[Send Reply] [Send Message with New Topic]

[Search Selection] [Mailing List Home] [Home]