What does BIR stand for?
BIR stands for "built-in-roughage"
How to abbreviate "built-in-roughage"?
"built-in-roughage" can be abbreviated as BIR
What is the meaning of BIR abbreviation?
The meaning of BIR abbreviation is "built-in-roughage"
What does BIR mean?
BIR as abbreviation means "built-in-roughage"
