Across
- 3. Biography
- 8. Machines
- 9. Boats
- 11. Evaluation
- 16. Electricity
- 18. Lights
- 19. Computers
Down
- 1. From Coal
- 2. Computer-Software
- 4. Renewable Energy
- 5. Drawings
- 6. Space Probes
- 7. Factories
- 10. Buildings
- 12. Earth
- 13. Aerodynamics
- 14. HVAC
- 15. Desktop
- 17. Kitchenware
