| Subject | English | Danish |
| gen. | Aircraft Missile Protection System | system i fly til beskyttelse mod missiler |
| transp., avia. | chemical ice protection system | kemisk afisningssystem |
| el. | diversity protection system | diversitetsbeskyttelsessystem |
| IT | effectiveness of protection system | effektivitet af beskyttelsessystem |
| environ. | environmental protection system | miljøbeskyttelsesordning |
| chem., el. | flame protection system | flammekontrolsystem |
| environ., tech. | halon fire protection system | halonslukningsanlæg |
| environ., tech. | halon fire protection system | halonbrandslukningsanlæg |
| IT | lock-and-key protection system | nøglesystem |
| IT | lock-and-key protection system | adgangskontrolsystem |
| el. | low-pressure carbon dioxide fire protection system | brandslukningssystem med kultveilte under lavt tryk |
| transp., avia. | mechanical ice protection system | mekanisk afisningssystem |
| IT | performance of protection system | beskyttelsessystems performance |
| IT | performance of protection system | beskyttelsessystems virkningsgrad |
| IT | performance of protection system | beskyttelsessystems effektivitet |
| earth.sc. | personnel protection system | personalebeskyttelsessystem |
| nucl.phys. | protection system | beskyttelsessystem |
| environ. | protection system A series of procedures and devices designed to preserve people, property or the environment from injury or harm | beskyttelsessystem |
| el. | protection system | reservesystem |
| environ. | protection system | sikkerhedssystem |
| patents. | protection system complementary to the patent | beskyttelsesordning,der skal supplere patentet |
| energ.ind., el. | protection system for an electrical network | beskyttelsessystem for elforsyningsnet |
| law, IT | protection system implementation | installation at et sikkerhedssystem |
| law, IT | protection system implementation | iværksættelse af et sikkerhedssystem |
| law, IT | protection system implementation | implementering af et sikkerhedssystem |
| social.sc. | social protection system | socialt beskyttelsessystem |
| transp. | stall protection system | system til at forebygge stall |
| environ. | stationary fire protection system | stationært brandsikringssystem |
| transp., avia. | thermal ice protection system | termisk afisningssystem |
| commun., IT | train protection system | automatisk togstop |