| Subject | English | Estonian |
| unions. | European Foundation for the Improvement of Living and Working Conditions | Euroopa Elu- ja Töötingimuste Parandamise Fond |
| social.sc. | Governing Board of the European Foundation for the Improvement of Living and Working Conditions | Euroopa Elu- ja Töötingimuste Parandamise Fondi nõukogu |
| environ. | improvement of efficiency The beneficial development or progress in the volume of output that is achieved in terms of productivity and input, or in getting the maximum possible output from given or allocated resources | kasuteguri suurendamine |
| econ. | improvement of housing | elamute parendamine |
| environ., energ.ind. | improvement of the environmental performance | toote keskkonnatoime parandamine |