MAKE A MEME View Large Image Drilling Roughnecks (8744524276).jpg Roughnecks on a drilling rig in Greely CO use metal tongs weighing hundreds of pounds to make connections between 30 ™ sections of drill pipe https //www flickr com/photos/niosh/8744524276/ Drilling ...
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Keywords: Drilling Roughnecks (8744524276).jpg Roughnecks on a drilling rig in Greely CO use metal tongs weighing hundreds of pounds to make connections between 30 ™ sections of drill pipe https //www flickr com/photos/niosh/8744524276/ Drilling Roughnecks 2008-07-15 10 57 https //www flickr com/people/25069384 N03 National Institute for Occupational Safety and Health NIOSH from USA PD-USGov NIOSH http //flickr com/photos/25069384 N03/8744524276 2015-04-26 21 50 50 United States Government Work Oil Safety Work Workplace Gases National Institute for Occupational Safety and Health
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