| 11. | Emissions are rarely checked and few vehicles are equipped with pollution-control devices.
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| 12. | Batteries usually used in remote-control devices had been found at the scene.
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| 13. | The elevator is a flight-control device at the rear of the horizontal stablizer.
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| 14. | By 1923 the city had installed 31 Acme traffic control devices.
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| 15. | The remote control device, for example, contains about 30 separate buttons.
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| 16. | A car owner can also activate the signal with a wireless remote-control device.
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| 17. | Prototype development and consumer testing was conducted to develop a new control device.
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| 18. | The metal rod at lower right is a humidity control device.
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| 19. | Below were ads for hair removers, juicers and pest control devices.
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| 20. | Noninvasive techniques already make it possible for people to control devices by thinking.
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