What does OI stand for?
OI stands for "Operator Indisposed"
How to abbreviate "Operator Indisposed"?
"Operator Indisposed" can be abbreviated as OI
What is the meaning of OI abbreviation?
The meaning of OI abbreviation is "Operator Indisposed"
What does OI mean?
OI as abbreviation means "Operator Indisposed"