San Francisco remains the only place on the planet with a true, manually operated cable-car system serving the public.

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He tried a Verano, he says, but rejected it because the seat recliner was a manually operated, Chevy-style handle, not a smooth power device.

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The level-crossing nearby is operated manually.

ECONOMIST: Developing giant airships: Big birds | The

By the time she was 30, Al-Tunisi was modernizing the Abqaiq oil processing plant in part by replacing thousands of manually operated valves with electric ones.

FORBES: Magazine Article

Hundreds of thousands of switches and circuit breakers must be operated manually, and the main transmission lines have little instrumentation to monitor the second-by-second flow of electricity from unpredictable new sources like windmills.

FORBES: Juicing the System