| |||
fundamental points | |||
setting-out datum point; setting-out peg | |||
fixed points | |||
| |||
base level | |||
fixed point |
punti fissi : 37 phrases in 10 subjects |
Communications | 1 |
Earth sciences | 4 |
Environment | 1 |
General | 2 |
Industry | 2 |
Information technology | 1 |
Mechanic engineering | 4 |
Metallurgy | 8 |
Technology | 2 |
Transport | 12 |