| |||
| Schaltschema n; Installationsplan m; Leitungsschema n; Schaltbild n; Schaltplan m | |||
|
plan layout : 32 phrases in 10 subjects |
| Automated equipment | 3 |
| Communications | 3 |
| Computers | 2 |
| Construction | 6 |
| Demography | 1 |
| Electronics | 2 |
| General | 2 |
| Technology | 11 |
| Telecommunications | 1 |
| Transport | 1 |