| Subject | English | Danish |
| environ. | retrofitting of old plants Making changes to old industrial plants installing new equipment's and facilities for the disposal of gas emissions in the atmosphere, of waste water and waste material in soil and water | regenerering af gamle planter |
| energ.ind. | solar retrofitting | tilkobling til eksisterende varmesystem |
| energ.ind. | solar retrofitting | renovering med solvarmeanlæg |