| English thesaurus | |||
| |||
| ECIP | |||
|
Energy Conservation : 26 phrases in 12 subjects |
| Astronomy | 1 |
| Chemistry | 1 |
| Computers | 2 |
| Construction | 2 |
| Energy industry | 2 |
| Environment | 2 |
| General | 6 |
| Name of organization | 4 |
| Natural sciences | 1 |
| Physical sciences | 1 |
| Politics | 1 |
| United Nations | 3 |