| Acronym | Meaning |
 | CNI | Communications |
| OSIA | (U.S.) On-Site Inspection Agency |
| IAQ | Indoor Air Quality - Infrequently Asked Questions |
| FES | Flywheel Energy Storage |
| WTO | World Trade Organization |
| PFLAG | Parents |
| MOS | Military Occupational Specialty -Mit Out Sound / Motor Only Sync -Mobile Object System - Model Output Statistics - Multiplayer Online Services |
| DRI | Detection |
| CFL | Canadian Football League - Co-ordinated Fire Line |
| CERT | Computer Emergency Response Team |
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