08:39 Mar 19, 2004 |
Polish to English translations [PRO] Tech/Engineering - Mining & Minerals / Gems | |||||||
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| Selected response from: bartek Local time: 22:58 | ||||||
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Summary of answers provided | ||||
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4 +1 | shield system / shield supports / shield-type supports |
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osłona odzawałowa shield system / shield supports / shield-type supports Explanation: wszędzie, ale to wszędzie używane jest shield / shield system. Dodawane jest coś na kształt opisów "A structure that is able to withstand the forces imposed on it by a cave-in", " structure able to withstand a cave-in" I question its use in a coal mine where the environment is so harsh on ... Longwall mining uses an advancing 1,000 foot face with shield-type supports of the roof. ... ... A shield protects the workers and the equipment from roof falls during the coal ... The largest locomotive ever used in an underground coal mine was initiated in ... www.coaleducation.org/coalhistory/Jenkinshis.htm www.siu.edu/~imsasa/est/KerrMcGee.htm |
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