| Answer | Crossword Clue |
|---|---|
| SENSOR | Photoelectric cell, for example |
| NEEDS | Cell towers for cellphones, for example |
| SENSOR | Photoelectric cell |
| EYE | Photoelectric cell |
| CESIUM | Photoelectric cell component |
| CESIUM | Photoelectric cell element |
| SENSOR | Photoelectric cell, e.g. |
