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Doncarlo
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Comments by "Doncarlo" (@doujinflip) on "" video.
That monopolization came from the end of the Cold War, where the US Government specifically warned about a lack of need going forward and encouraged acquisition over liquidation.
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If you see the pollution and other environmental side effects in Asian cities, you'd know why we're more slow and deliberate about how to build. America is top shelf for lot of things, and among the most prime is in our agriculture and our preservation of nature.
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Roman concrete also has the advantage of being used in strictly low-pressure compressive architecture, unlike the wide airy tension-required spans and relatively point-loaded truck tires we subject our concrete with today. Plus we don't want to wait months for the concrete to sufficiently set, and we'd like to be able to drill through or knock them down economically when it comes time for after-build modifications.
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