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Windmill

Machines converting the energy of wind into useful forms of power were already in use in the Middle Ages.

Mājturība un tehnoloģija

Atslēgvārdi

vējdzirnavas, graudu slīpēšana, kokzāģētava, dzirnakmens, Vēja enerģija, bremzes ritenis, asmeni, kinētiskā enerģija, mehāniskais darbs, atjaunojamā enerģija, tehnika

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Horse mill

Machines powered by animals were mainly used in mills, for grinding grains.

Watermill

Machines converting the energy of flowing or falling water into useful forms of power were already in use in the Middle Ages.

Geothermal power station

Geothermal power stations convert energy of hot, high-pressure water found in deeper layers of the Earth into electricity.

Geyser

A geyser is a spring characterised by intermittent discharge of water and steam.

Biogas power plant

Biogas can be produced from organic material (manure, plant waste, organic waste) using bacteria. Biogas is a mixture of methane and carbon dioxide; burning...

Hero’s aeolipile

Hero of Alexandria is the inventor of the first steam engine, although he regarded it as an entertaining toy.

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