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2023-08-27 17:05:00
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2140btc on Nostr: How do they construct the sub flooring on each level above ground? Wooden trusses, ...

How do they construct the sub flooring on each level above ground? Wooden trusses, wood stick built, steel beams, etc.?
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npub1z9jlzhlyfantd5regur6jws25pxhkhwg73u9vvxyes0k9t3aq2jqqef0n0