code mark
| inversion
| code mark | |
| cultur. commun. | märkning |
| inversion | |
| gen. | temperaturinversion |
| earth.sc. | allotrop omvandling |
| el. | växelriktning |
| environ. | inversion |
| life.sc. engl. | inversion |
| |||
| kodningstecken; kodtecken | |||
| |||
| mä̀rkning | |||
|
code mark : 5 phrases in 3 subjects |
| Communications | 2 |
| Electronics | 1 |
| Power lines | 2 |