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| heating; ignisation | |||
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| heating A system for supplying heat, especially central heating, to a building | |||
| تسخين: 92 phrases in 11 subjects |
| Cables and cable production | 1 |
| Electronics | 1 |
| Environment | 2 |
| Lighting other than cinema | 6 |
| Magnetics | 1 |
| Medical | 2 |
| Oil / petroleum | 8 |
| Oil and gas technology | 1 |
| Thermal Energy | 67 |
| Vacuum tubes | 2 |
| Wood processing | 1 |