What a great way to use compressed air.
This ‘air condition jacket’ uses compressed air to cool the workers who are wearing it.
It can cool up to 20 degrees Celsius, according to the inventor:
It means when the temperature is 40 C, someone wearing the vest will feel as if it were 20 C,
Here is how it works:
Read more at China Daily: http://www.chinadaily.com.cn/china/2013-08/15/content_16894714.htm