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Questions related to the design, development, construction, and use of human-made objects. General tag for mechanical and electric systems, tools, machinery, building design and construction, military engineering, aircraft, and complex system design.

19 votes
2 answers
3k views

Why was Panama Railroad in poor condition when US decided to build Panama Canal in 1904?

Upon completion, the railway was proclaimed an engineering marvel of the era. …
Qiulang 邱朗's user avatar