What does HLO stand for?
HLO stands for "Hot-line Operator"
How to abbreviate "Hot-line Operator"?
"Hot-line Operator" can be abbreviated as HLO
What is the meaning of HLO abbreviation?
The meaning of HLO abbreviation is "Hot-line Operator"
What does HLO mean?
HLO as abbreviation means "Hot-line Operator"
