| Acronym | Meaning |
| ERTS | Earth Resources Technology Satellite (became Landsat) |
| PG | Picogram |
| NP | Nepal (ISO 3166 And FIPS 10-4 Country Code Digram) |
| HUHA | Head Up His/her Ass (Marine Salute; Probably A Backcronym) |
| CHN | China (ISO 3166 Trigram) |
| UPC | Universal Product Code |
| TEMO | Training |
| CO | Corsican Language (ISO 639-1 Code) |
| SIC | Standard Industrial Classification |
| ID | Indonesian Language (ISO 639-1 Code) |