mechanized application
1.Application of the Light Breaking Props on the Comprehensive Mechanized Mining Faces in Malan Coalmine
2.Application of high dip tunnel for drawing out gas in fully mechanized roof-caving face in No.5 coal mine in Yangquan
3.An application of model EHST-50 miniature electric-powered LHD in Xiangxi gold mine where the mechanized slice resue-and-fill stoping has been used for the gentle dip thin vein is summafised.

