What does NFR stand for?
NFR stands for "Nontoxic Forming Rock"
How to abbreviate "Nontoxic Forming Rock"?
"Nontoxic Forming Rock" can be abbreviated as NFR
What is the meaning of NFR abbreviation?
The meaning of NFR abbreviation is "Nontoxic Forming Rock"
What does NFR mean?
NFR as abbreviation means "Nontoxic Forming Rock"
