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2140btc
npub1z9j…f0n0
2023-08-27 17:05:00
in reply to nevent1q…3zmf

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