What does RRO stand for?
RRO stands for "Registered Roof Observer"
How to abbreviate "Registered Roof Observer"?
"Registered Roof Observer" can be abbreviated as RRO
What is the meaning of RRO abbreviation?
The meaning of RRO abbreviation is "Registered Roof Observer"
What does RRO mean?
RRO as abbreviation means "Registered Roof Observer"
