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The part that amazes me is boring those 10 story holes. And then they slide in a steel sleeve?
I heard their explanation of what they did to prevent cave-in/spalling, but I am amazed that it would be sufficient for the task.
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Te futueo et caballum tuum
1986 300SDL, 362K
1984 300D, 138K
Last edited by cmac2012; 02-21-2023 at 11:41 AM.
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