Across
- 2. Edison Who invented light bulb?
- 3. franklin Who invented electricity?
- 5. Carrier Who invented Air Conditioner?
- 6. diehl Who invented ceiling fans?
- 7. loud Who is the inventor of Ball-Point Pen?
Down
- 1. galilei Who invented telescope?
- 4. Cooper Who invented mobile phone?
- 5. Brothers who invented Airplane?