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A locomotive or engine is a rail transport vehicle that provides the motive power for a train.

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a boat that is propelled by a steam engine, especially a paddle-wheel craft of a type used widely on rivers in the 19th century

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The workers don't have to make a lot of effort to get the same results and machines will make their jobs more easy.

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I think stem power is good to industry and bad to workers because every year we lose jobs because machines are replacing human work.

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Steam turbines today can also be used to power large centrifugal pumps, which could be used to pump water through a hydro turbine generator.

It is a machine that extracts thermal energy from pressurized steam and uses it to do mechanical work on a rotating output shaft.

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Can potentially pollute the air, soil, and water bodies.
Coal source is finite.
A great amount of energy and water is necessary to grow crops, produce fertilizers and pesticides, and transform plants into biofuel.

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When the sun shines onto a solar panel, energy from the sunlight is absorbed by the PV cells in the panel. This energy creates electrical charges that move in response to an internal electrical field in the cell, causing electricity to flow.