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heat is a great thing, which change people’s life
it is used for controling hair for blowdrying, curling and straightening
if you’ve ever opened a very hot oven, you know that heat can burn your eyebrows off your face very quickly
a scientist from purdue university in indiana is trying to find a scientific answer on how hot is too hot when it comes to hair
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原文地址：http://www.cnblogs.com/zhulinmails/p/4882822.html
