Across
- 1. Ideas that have not yet been proven.
- 4. Normal, regular or usual.
- 5. An illegal activity.
- 8. Trained person who designs or builds.
- 10. To make louder.
- 11. Exhibiting signs that something bad is coming.
- 12. A gadget.
- 13. A small tool or device.
Down
- 2. Detailed and exact.
- 3. The length of a boundary enclosing a plane.
- 6. Act of increasing the quality of something.
- 7. A place where scientific research is conducted.
- 9. Describing anatomy that is enhanced by machine.
