Across
- 2. what something is made of
- 4. to make something better
- 6. to make something better or more advanced
- 7. not expensive, easy to buy
- 9. to create something new
Down
- 1. an important or special part of something
- 3. a piece of equipment made for a special purpose
- 5. the reason something is made or used
- 6. to plan how something will look or work
- 8. what something does or how it works