| Subject | English | Latvian |
| comp., MS | compression exclusion list | saspiešanā neiekļauto failu saraksts (A list of files that are not compressed when capturing an image using ImageX. Some files do not shrink in size when compressed. When capturing an image, you can identify these files to ImageX to save time. These files will still be captured, but ImageX will not attempt to compress them) |
| mech.eng. | compression ignition engine | dīzeļmotors |
| transp., mil., grnd.forc., mech.eng. | compression retarder | motora palēninātājs |
| transp., mil., grnd.forc., mech.eng. | compression retarder | motora bremze |
| transp., tech., law | spring compression chamber | atsperes saspiešanas kamera |