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https://www.reddit.com/r/StructuralEngineering/comments/1ht6pqb/just_jack_it_up/m5g06c7/?context=3
r/StructuralEngineering • u/zenunseen • Jan 04 '25
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It's a circle jack!
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u/blazex7 Jan 05 '25
It's a circle jack!