code mark
| inversion
| code mark abbr. | |
| cultur. commun. | märkning |
| inversion abbr. | |
| gen. | temperaturinversion |
| earth.sc. | allotrop omvandling |
| el. | växelriktning |
| environ. | inversion |
| life.sc. engl. | inversion |
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| mä̀rkning | |||
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code mark : 4 phrases in 3 subjects |
| Communications | 1 |
| Electronics | 1 |
| Power lines | 2 |