Across
- 5. works on developing satellites
- 7. builds robots
- 9. designs and supervises the building of roads and bridges
- 10. creates software
- 11. works with chemicals
Down
- 1. designed the electronics in your phone
- 2. designs factories
- 3. builds machines
- 4. designed the Boeing 747 aircraft
- 6. designed, tested and produced a human knee joint replacement
- 8. designs and maintains the systems that supply electricity to our homes