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History of Wire
A wire is a single, usually cylindrical , flexible strand or rod of metal. Wires are used to bear mechanical loads or electricity and telecommunications signals . Wire is commonly formed by drawing the metal through a hole in a die or draw plate . Wi…
History of rail transport
Ancient systems Evidence indicates that there was 6 to 8.5 km long Diolkos paved trackway, which transported boats across the Isthmus of Corinth in Greece from around 600 BC. [1] [2] [3] [4] [5] Wheeled vehicles pulled by men and animals ran in grooves in lim…
Sajib Ahamed
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