| Answer | Crossword Clue |
|---|---|
| LUMEN | Light-flow measure |
| LUMEN | Measure of flow of light |
| AMP | Elec. flow measure |
| UVALUE | Heat flow measure in insulation |
| LUMENS | Units of light flow |
| LUMENS | Units of light flow. |
| LUMEN | Unit of light flow. |
| LUMEN | Unit for measuring flow of light |
