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