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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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