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Test results in success for coal mine shelter

By Lan Tian and Sun Ruisheng | China Daily | Updated: 2011-04-12 07:58

Test results in success for coal mine shelter

A team of 80 coal miners and support staff members stay inside an underground refuge chamber in a coal mine in North China's Shanxi province to test its safety on Sunday. Zhang Yun / China News Service

Test results in success for coal mine shelter

China conducts experiment with underground safety chamber

Test results in success for coal mine shelter

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