| Acronym | Meaning |
| SWALK | Sealed With A Loving Kiss |
| ASX | Advanced Stream Redirector - Australian Stock Exchange |
| MC&G | Mapping |
| PIG | Pipeline Inspection Gauge |
| ISO | In Search Of -International Organization For Standardization (from The Greek ?†?? |
| CHI | Computer-Human Interaction |
| IANAL | I Am Not A Lawyer |
| E&OE | Errors And Omissions Excepted |
| MOW | Maintenance Of Way (also MW) |
| AASPEM | Advanced Air-to-air System Performance Evaluation Model |