What does PEN stand for?
PEN stands for "Penetrating/Penetration"
How to abbreviate "Penetrating/Penetration"?
"Penetrating/Penetration" can be abbreviated as PEN
What is the meaning of PEN abbreviation?
The meaning of PEN abbreviation is "Penetrating/Penetration"
What does PEN mean?
PEN as abbreviation means "Penetrating/Penetration"
