What does OBT stand for?
OBT stands for "Oil Burner Technician"
How to abbreviate "Oil Burner Technician"?
"Oil Burner Technician" can be abbreviated as OBT
What is the meaning of OBT abbreviation?
The meaning of OBT abbreviation is "Oil Burner Technician"
What does OBT mean?
OBT as abbreviation means "Oil Burner Technician"
