What does ROI stand for?
ROI stands for "Residue on Ignition"
How to abbreviate "Residue on Ignition"?
"Residue on Ignition" can be abbreviated as ROI
What is the meaning of ROI abbreviation?
The meaning of ROI abbreviation is "Residue on Ignition"
What does ROI mean?
ROI as abbreviation means "Residue on Ignition"
