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How to know a electric iron's temperature? The temperature of electric iron may reach a few hundred degrees Celsius. Once people touch it, it may cause a serious wound.
The Lighting electric iron solves this problem: the temperature plastic on the electric iron changes its color to show the temperature. It can directly indicate whether the electric iron is hot enough to be used.
Guangdong university of technology
Guangzhou, China
Zebin Chen
Jianying Zhu
Danqing Li
Yongqiang Feng
