| Customer Need | State | Rank |
|---|---|---|
| Machine is portable | P | 5 |
| Machine is interactive (physical interaction) | P | 5 |
| Machine provides educational feedback | P | 5 |
| Vortex is visible by the human eye | P | 5 |
| Machine is aesthetically pleasing | P | 4 |
| Machine is quiet (ambient noise) | S | 4 |
| Machine is self-contained | S | 4 |
| Machine is easy to operate | S | 3 |
| Machine is robust | S | 4 |
| Machine is scalable | S | 2 |
| Machine is affordable | S | 3 |
| Machine outputs velocity and pressure | S | 4 |
Page last modified on May 24, 2006, at 04:21 PM