| Block | |
| comp., MS | fragmento |
| energ.ind. | bloque de una central termoeléctrica; grupo de una central térmica |
| industr. construct. | troza |
| IT el. | símbolo funcional |
| math. | bloque; Manzana |
|
reversibler : 24 phrases in 12 subjects |
| Chemistry | 2 |
| Earth sciences | 3 |
| Economics | 3 |
| Electronics | 5 |
| Energy industry | 2 |
| Finances | 2 |
| Information technology | 2 |
| Materials science | 1 |
| Mathematics | 1 |
| Mechanic engineering | 1 |
| Medical | 1 |
| Transport | 1 |