Xiao Huang: What did the U.S. display at the same exposition?
DOORM: The U.S. showcased telegraphs, railroads, and flush toilets, among other new industrial products.
Xiao Huang: What did the U.S. display at the same exposition?
DOORM: The U.S. showcased telegraphs, railroads, and flush toilets, among other new industrial products.
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