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How does it work? - Gearbox

In transmission systems, the engine torque is modified by reducing or increasing rotational speed.

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How does it work? - Escalator

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Laptop computer, peripherals

A variety of peripherals can be used with laptop computers.

Inventions in the textile industry, 18th century

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How does it work? - Laser printer

The animation demonstrates how laser printers work

How does it work? - Radio

This animation demonstrates how radios work.

How does it work? - Microwave oven

This animation demonstrates how microwave ovens work.

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