| Similarity | Rank | |
|---|---|---|
| solar_panel | 0.749 | 8423 |
| heat_pump | 0.737 | 35786 |
| solar_thermal | 0.725 | 84209 |
| PV_system | 0.709 | 74667 |
| photovoltaic | 0.702 | 36260 |
| heat_exchanger | 0.700 | 42656 |
| solar_energy | 0.682 | 10842 |
| heating_system | 0.678 | 34760 |
| thermal_energy | 0.674 | 62962 |
| solar_cell | 0.671 | 18914 |
| solar_technology | 0.667 | 77306 |
| solar_array | 0.664 | 76084 |
| solar_PV | 0.661 | 71805 |
| for_heating | 0.660 | 58542 |
| renewable_energy_system | 0.643 | 88521 |
| solar_power | 0.637 | 12311 |
| water_heater | 0.630 | 46209 |
| solar | 0.630 | 5003 |
| evaporator | 0.628 | 94723 |
| cool_system | 0.626 | 34847 |
| fuel_cell | 0.622 | 19021 |
| renewable_energy_source | 0.615 | 24016 |
| solar_radiation | 0.615 | 50199 |
| generate_electricity | 0.615 | 72517 |
| district_heating | 0.615 | 89833 |