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staggered blastholes |
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staggered blastholes [′stagĀ·ərd ′blast‚hōlz] (mining engineering) Two rows of holes staggered to a triangular pattern to distribute the burden when shot-firing in thick coal seams. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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