KAMY series of Roadheaders offers the best cutting performance in a wide range of rock formations. Equipped with geometrically optimized transverse or longitudinal cutter heads, these flexible machines can be used to excavate subway tunnels, road tunnels, railway tunnels and water tunnels without using explosives.

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      A key development in the industrial revolution of England, the spinning jenny allowed yarn to be manufactured in large quantities. The spinning jenny – the world's first industrial spinning frame – worked by connecting multiple spindles and multiple rovings (a long, narrow bundle of fibre) to the end of a fixed wooden frame.

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    • Spinning jenny - Wikipedia

      The spinning jenny is a multi-spindle spinning frame, and was one of the key developments in the industrialization of weaving during the early Industrial Revolution.It was invented in 1764 by James Hargreaves in Stanhill, Oswaldtwistle, Lancashire in England.

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      An easy-to-scan alphabetical list of famous inventions and innovations, plus photos and links to additional information, biographies, and timelines.

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