| |||
| enclosed staircase; fire escape; emergency staircase | |||
|
scala di sicurezza : 7 phrases in 3 subjects |
| Immigration and citizenship | 2 |
| Materials science | 3 |
| Obsolete / dated | 2 |
| |||
| enclosed staircase; fire escape; emergency staircase | |||
|
scala di sicurezza : 7 phrases in 3 subjects |
| Immigration and citizenship | 2 |
| Materials science | 3 |
| Obsolete / dated | 2 |