| Code | |
| gen. | code; cipher |
| construct. | equal-length code |
| IT tech. | coding scheme |
| tech. | code; job name |
| work.fl. IT | key; numeric code |
|
fehlerkorrigierender : 7 phrases in 6 subjects |
| Automated equipment | 1 |
| Business | 2 |
| Communications | 1 |
| Computers | 1 |
| Construction | 1 |
| Telecommunications | 1 |