What does OPT stand for?
OPT stands for "Ounces Per Tonne"
How to abbreviate "Ounces Per Tonne"?
"Ounces Per Tonne" can be abbreviated as OPT
What is the meaning of OPT abbreviation?
The meaning of OPT abbreviation is "Ounces Per Tonne"
What does OPT mean?
OPT as abbreviation means "Ounces Per Tonne"
