blank column
| detection device
| blank column abbr. | |
| busin. | leere Spalte |
| detection device abbr. | |
| gen. | Ortungseinrichtung |
| el. | Demodular |
| |||
| leere Spalte | |||
| Leerspalte f | |||
|
blank column : 8 phrases in 4 subjects |
| Automated equipment | 1 |
| Information technology | 2 |
| Punched cards | 2 |
| Technology | 3 |