Difference between revisions of "Double topping lift"

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[[Category:8.3 Equipment]]
[[Category:8.3 Equipment]]
[[Category:Alphabetical Index]]
[[Category:Alphabetical Index]]
[[Category:IALA Dictionary 1970-89 Edition]]

Latest revision as of 11:13, 15 February 2009

8-3-045

A double installation which takes the weight of a derrick and its load. It also eliminates the need for slewing guys.




Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)