| English | eng-000 |
| source of heat | |
| 普通话 | cmn-000 | 热源 |
| English | eng-000 | heat producer |
| English | eng-000 | heat reservoir |
| English | eng-000 | heat source |
| English | eng-000 | heater |
| English | eng-000 | radiant |
| English | eng-000 | thermal resource |
| English | eng-000 | thermal source |
| русский | rus-000 | источник теплоты |