 |
| |||
| caja luminosa (A container incorporating a translucent screen illuminated from within, in effect a portable light table); caja para iluminar diapositivas (A container incorporating a translucent screen illuminated from within, in effect a portable light table); mesa luminosa; aparato para ver diapositivas | |||
| caja luminosa caja para iluminar diapositivas | |||
| caja de luz | |||
|
light box : 4 a las frases, 3 temas |
| Ciencia de los materiales | 2 |
| Ciencias naturales | 1 |
| Ingeniería mecánica | 1 |