| English thesaurus | |||
| |||
| OCS (new name for 4 state customer barcode USPS 2006) | |||
|
One Code : 16 phrases in 9 subjects |
| Computer numerical control | 1 |
| Cryptography | 1 |
| Electronics | 1 |
| Genetics | 1 |
| Information technology | 5 |
| Logistics | 1 |
| Power electronics | 1 |
| Space | 1 |
| Technology | 4 |