There are scrapers at both sides of driving beam for scraping sundries amassed on rail surface all the while.

驱动架两端表面分别装有刮削板，随时刮扫积聚在导轨表面的杂物。

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Mr Ramshaw said he put his headlights on full-beam and described driving on the mountain as "good".

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While the driving lights are the first use of a laser beam reflected off a mirror, the daytime running lamps, with their characteristic "torch" effect, and the indicator lights use LEDs.

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So Starkweather fired a laser through the air between the two buildings, an improvised communications system that meant that, if you were driving down the Foothill Expressway on a foggy night and happened to look up, you might see a mysterious red beam streaking across the sky.

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