|
|
| abbr., commun. |
Other Licensed Operator |
| abbr., el., scient. |
Other Licensed Operators |
| abbr., labor.org. |
office labor optimisation (ННатальЯ) |
| abbr., mus. |
Ohio Light Opera |
| abbr., oil |
off-line operation |
| abbr., railw. |
Ontario L'Orignal Railway Incorporated |
| abbr., scottish |
Orbital Launch Operation |
| abbr., tech. |
off line operation; on line operation |
| abbr., tradem. |
On- Line Ordering System |
| mil. |
operations launch order |
| tech. |
on-line operation |
