| Acronym | Meaning |
 | WST | Water Soluble Tetrazolium (assay) -Samoan Tala (ISO 4217 Currency Code) |
| AY | Antarctica (FIPS 10-4 Territory Code) |
| HMSO | Her Majesty's Stationery Office |
| PT | Portuguese Language (ISO 639-1 Code) |
| VG | British Virgin Islands (ISO 3166 Digram) |
| ASC+T | Anti Slip Control + Traction |
| FIE | Fly-In Echelon |
| FSS | Fire Support Station |
| MIMAROPA | Mindoro |
| PTFE | PolyTetraFluoroEthylene |
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