Infrared light curtain is applied to area security.

红外安全光幕是一种区域防护技术。

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Even if a mosquito somehow managed to penetrate such a barrier, a second light curtain set up around a bed, for example, would provide further protection.

即使蚊子能穿过一道此类屏障，第二道光幕，比如说设立在床周围，会提供进一步的保护。

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The whole system adopts control components such as SLC500 programmable controller, touch screen, safety light curtain etc. Then safety and reliable assembly quality is ensured.

整个系统采用了SLC500可编程控制器、触摸屏、安全光幕控制器等控制部件，为机床提供了安全可靠的装配质量保证。

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According to officers, English, of no fixed abode, had a bottle of white spirit which he had spread around the flat, and he tried to set light to a sofa and a curtain.

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The blaze which killed the two men started in the ninth floor of the tower block in Church Street after a curtain left draped over a light bulb caught fire.

BBC: Shirley Towers fire: No police charges over firemen deaths

But now the simple invention of a cathode ray tube, transforming light into electrons, registering their impact on the magnetic tape, had torn the curtain away.

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