| Lufttechnik | air technology air treatment ventilation technology |
| Leittechnik | process control technique |
| Luftwechsel | air change change of air |
| Biotechnik | biotechnology |
| Hochtechnik | high technology |
| Bautechnik | structural engineering |
| Drucktechnik | typography |
| Gentechnik | genetic engineering |
| Jagdtechnik | hunting technique |
| Kerntechnik | nuclear technology |
| Klimatechnik | air conditioning technology |
| Messtechnik | measurement measuring technique metrology |
| Pyrotechnik | pyrotechnics |
| Technik | technique technology equipment |
| Zahntechnik | dental technology |
| Luft-Schiff | air-to-ship |
| Luftschlitz | louver |
| Lufttrockner | dehumidifier |
| Luftfeuchte | air humidity air moisture |
| Lufthoheit | air sovereignty |