Across
- 2. step: clue: by selecting a promising solution
- 4. step: clue: redesign if its needed.
- 5. step: clue:think outside the box
Down
- 1. step clue:to identify the need an constant
- 2. step: clue:make a prototype
- 3. step clue: look up the problem
- 4. step : clue: evaluate the prototype