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You must have 3 steps in toilet:
1 Excrete out
2 Stand up
3 Clean up
Now it's combine toilet paper shelf & handrail.
It's a series of coherent actions,
but more convenient & beautiful.
National Taipei University of Technology
Taipei, Taiwan
National Taipei University of Technology
Taipei, Taiwan
Chao-Hsiang Li, Wan-Yun Chou