| Acronym | Meaning |
 | THG | Tetrahydrogestrinone |
| NZL | New Zealand (ISO 3166 Trigram) |
| ASIC | Aviation Security Identification Card |
| RTFM | Read The Fucking/Fine Manual |
| UNABOM | University And Airline Bomber (FBI Case Name) |
| INA | Interlingua Language (ISO 639-2 Code) |
| HMS | Helmet-mounted Display - Her Majesty's Ship (Royal Navy) |
| HFEA | Human Fertilisation And Embryology Authority (UK) |
| KK | Kilokelvin |
| PLUTO | Pipe Line Under The Ocean |
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