- Thai (blok Unicode)
- Atmosfer Standar Internasional
- Proses Hall–Héroult
- Abad ke-26 SM
- 1989
- Undang-Undang Pers
- Daftar hari besar Imlek
- Jenghis Khan
- Android (sistem operasi)
- Robotika
- Thai Industrial Standard 620-2533
- United Nations Security Council Resolution 2533
- International Standard Atmosphere
- ISBN
- Thai (Unicode block)
- German submarine U-2533
- Digital object identifier
- ISSN
- HTML
- Pascal (unit)