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Summary

DescriptionTraveling block and swivel.jpg	English: Traveling block, swivel, kelly spinner
Date	Unknown date
Source	http://www.osha.gov/SLTC/etools/oilandgas/illustrated_glossary/traveling_block.html
Author	Unknown authorUnknown author

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	00:20, 24 June 2008		442 × 600 (157 KB)	Mudgineer	{{Information \|Description={{en\|1=Traveling block, swivel, kelly spinner}} \|Source=http://www.osha.gov/SLTC/etools/oilandgas/illustrated_glossary/traveling_block.html \|Author=Unknown \|Date=Unknown \|Permission= \|other_versions= }} {{ImageUpload\|full}} [[C

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