Across
- 6. builds air projects
- 7. this engineer manages properties and runs systems
- 9. designs and builds electrical things
- 10. This engineer supervises, builds, and starts construction projects
- 11. invented better ways to recycle
Down
- 1. This engineer designs and creates things that relate to nuclear energy
- 2. Has invented the wheel
- 3. has invented machines for diagnosing medical problems
- 4. This engineer creates things related to mechanic
- 5. invented the seismograph
- 8. this engineer build boats and submarines