| Subject | English | Bulgarian |
| waste.man., el. | electrical and electronic equipment | електрическо и електронно оборудване |
| comp., MS | Institute of Electrical and Electronic Engineers | Институт на инженерите по електроника и електротехника (" A society of engineering and electronics professionals based in the United States but boasting membership from numerous other countries/regions. The IEEE (pronounced "eye triple ee") focuses on electrical, electronics, computer engineering, and science-related matters.") |
| environ. | wastes from electrical and electronic equipment | oтпадъци от електрическо и електронно оборудване |