What does hm stand for?
hm stands for "Headworn Microphones"
How to abbreviate "Headworn Microphones"?
"Headworn Microphones" can be abbreviated as hm
What is the meaning of hm abbreviation?
The meaning of hm abbreviation is "Headworn Microphones"
What does hm mean?
hm as abbreviation means "Headworn Microphones"
