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safety board |
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safety board [′sāf·tē ‚bȯrd] (petroleum engineering) A board placed in a derrick for a worker to stand on when handling drill rods at single, double, triple, or quadruple levels; the boards are placed at suitable heights to handle a stand of drill rods for that number of joints. 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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