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Related Clues:
- What leads in lens and surgical eye repairs
- Failure needs a second type of surgery
- No live wire, we hear, in this scientific device
- Type of office printer
- At start of series, left a beamer
- Intense light generator
- Intense light device
- Scientific device - one that conserves energy, we hear
- Surgical device made by modern light industry
- Scientific apparatus - one that rarely works, we hear
- Laboratory apparatus some expert researchers initially put together
- Powerful light source seen around in theatres always
- Coherent light-beam
- Electronic device — timeless thing that keeps going
- Light beam source