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Sometime, I go to restaurant to eat fries, chicken, pasta. The restaurant will provide ketchup for customers. But the bottle will stick on a bit of ketchup. I feel dirty and do not dare to use it. The reason of it is bottle finer closer the top, and surface tension. So there will be little ketchup remained on it. Therefor I design this iron
Tatung University
Yunlin, Taiwan
Tatung University
Yunlin, Taiwan