split wedge
| gate valve
| splitting wedge | |
| agric. mech.eng. | cuneo esplosivo |
| gate valve | |
| el. | Valvola a saracinesca |
| mech.eng. | saracinesca; valvola a saracinesca |
| |||
| cuneo esplosivo | |||
|
split wedge : 4 phrases in 3 subjects |
| Chemistry | 2 |
| Coal | 1 |
| Metallurgy | 1 |