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  1. 1. Research
  2. 2. Interview
  3. 3. Main problem <ul><li>Hair </li></ul><ul><li>Teeth </li></ul><ul><li>Back </li></ul><ul><li>Leg and Feet </li></ul><ul><li>Nail </li></ul><ul><li>Others </li></ul>
  4. 4. Teeth <ul><li>Teeth brush handle is hard to rotate </li></ul><ul><li>Professional denture </li></ul><ul><li>cleaning is expensive </li></ul>
  5. 5. Back <ul><li>Hard to reach </li></ul><ul><li>Not clean enough </li></ul>
  6. 6. Leg and Feet <ul><li>Hard to reach and lift </li></ul><ul><li>2 . D isease </li></ul>
  7. 7. Nail <ul><li>Bad Eyesight cannot see the nail </li></ul><ul><li>2. If hurt self by mistake, it takes long time to recover </li></ul>
  8. 8. Others <ul><li>Bathtub is too high to step in </li></ul><ul><li>Cannot stand for long time </li></ul><ul><li>Hard to wring large towel </li></ul><ul><li>Afraid of being submerged by water </li></ul>

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