What does HDO stand for?
HDO stands for "Halt and Disable Operator"
How to abbreviate "Halt and Disable Operator"?
"Halt and Disable Operator" can be abbreviated as HDO
What is the meaning of HDO abbreviation?
The meaning of HDO abbreviation is "Halt and Disable Operator"
What does HDO mean?
HDO as abbreviation means "Halt and Disable Operator"
