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Home / Press Office / Bord-and-pillar Mining. ... nkolola halwindi Although pillar failure in South Africa in coal-mining is a rare occurrence, ...
Topic Mechanised Bord And Pillar Mining Methods
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27 Jun 2010 Specifically I am going to describe how the “Bord and Pillar” mining of the The machines mine at around 1,000 joules/cc ... Mining methods in India: ...
