تماشای ویدئو Crane Hoist Sling Training from SafetyVideos.com از آی-ویدئو

http://www.safetyvideos.com/Crane_And_Hoist_Safety_Training_Video_Gory_Version_p/19011a.htm This video will train viewers on how to properly operate a crane, hoists or slings. This training product is in the "gory" category because it shows real world accidents and injuries that have resulted in improper use of a crane.
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