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54 pages • missing pub info (editions)
ISBN/UID: 9781493573677
Format: Paperback
Language: English
Publisher: Createspace Independent Publishing Platform
Publication date: 24 October 2013
Description
In 2009, the operating height of approximately one fourth of underground coal mines in the U.S. restricted mine workers to kneeling, crawling, and/or stooping posture to perform work MSHA 2009]. The large number of knee injuries to these workers ...
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54 pages • missing pub info (editions)
ISBN/UID: 9781493573677
Format: Paperback
Language: English
Publisher: Createspace Independent Publishing Platform
Publication date: 24 October 2013
Description
In 2009, the operating height of approximately one fourth of underground coal mines in the U.S. restricted mine workers to kneeling, crawling, and/or stooping posture to perform work MSHA 2009]. The large number of knee injuries to these workers ...