What does OHAS stand for?
OHAS stands for "Off Hook Alarm System"
How to abbreviate "Off Hook Alarm System"?
"Off Hook Alarm System" can be abbreviated as OHAS
What is the meaning of OHAS abbreviation?
The meaning of OHAS abbreviation is "Off Hook Alarm System"
What does OHAS mean?
OHAS as abbreviation means "Off Hook Alarm System"
