| Acrylic resin (E) | Technical flow properties | Units of mass | kg |
| Activity | Technical flow properties | Units of radioactivity | kBq |
| Aluminium and aluminium alloys (unspecified) | Technical flow properties | Units of mass | kg |
| Aluminium content | Chemical composition of flows | Units of mass | kg |
| Antimony content | Chemical composition of flows | Units of mass | kg |
| Area | Technical flow properties | Units of area | m2 |
| Area | Technical flow properties | Units of area | m2 |
| Area*time | Technical flow properties | Units of area*time | m2*a |
| Areatime | Technical flow properties | Units of area*time | m2*a |
| Argon content (mass) | Chemical composition of flows | Units of mass | kg |