What does OPI stand for?
OPI stands for "Openings Per Inch"
How to abbreviate "Openings Per Inch"?
"Openings Per Inch" can be abbreviated as OPI
What is the meaning of OPI abbreviation?
The meaning of OPI abbreviation is "Openings Per Inch"
What does OPI mean?
OPI as abbreviation means "Openings Per Inch"
