 |
| |||
| life | |||
| burning time | |||
| combustion time | |||
| burning rate (speed, einer Zündschnur in s/m); time of burning | |||
| burning life (of a lamp); operating life (of a lamp) | |||
| Brenndauer: 4 phrases in 3 subjects |
| Electronics | 1 |
| Measuring instruments | 1 |
| Optics branch of physics | 2 |