| |||
| engineering improvement | |||
|
amelioration technique : 18 phrases in 10 subjects |
| Agriculture | 4 |
| Finances | 2 |
| General | 3 |
| Health care | 1 |
| Medical | 1 |
| Military | 1 |
| Name of organization | 3 |
| Natural sciences | 1 |
| Politics | 1 |
| Statistics | 1 |
| |||
| engineering improvement | |||
|
amelioration technique : 18 phrases in 10 subjects |
| Agriculture | 4 |
| Finances | 2 |
| General | 3 |
| Health care | 1 |
| Medical | 1 |
| Military | 1 |
| Name of organization | 3 |
| Natural sciences | 1 |
| Politics | 1 |
| Statistics | 1 |