'No licenses, but X-rays are safe'
By Zheng Xin | China Daily | Updated: 2011-10-13 07:59
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Millions of subway passengers across China pass through X-ray security checks like this one at Shenzhen's Luohu Subway Station every day. Environmental authorities in Shenzhen confirmed the machines are harmless to staff and passengers, although the city's equipment has not yet received safety permits. Provided to China Daily |
Authorities in three cities say metro machines do not pose radiation risk
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