Schemes/en/Technology

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Transport

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Ship's hull shape
Marine sextant
fish hook

Marine Propulsion Systems

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Combined gas turbine and gas turbine (COGAG)

Electronics

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Thyristor symbol

Computing science

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1 Write-protect tab. 2 Hub. 3 Shutter. 4 Plastic housing. 5 Paper ring. 6 Magnetic disk. 7 Disk sector.

Power

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Electricity

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An example of a secondary cell.
Hydroelectric power plant
A coal-fired thermal power station.

Petrol

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FPSO diagram.

Geothermal power

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Geothermal energy methods

Machinery

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Gear pump exploded

Military

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A rocket

Spacecraft

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Parts of Ulysses