Rising and falling have safety alarm device.

上升下降有提示报警安全装置。

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Gas sensor is widely applied in environment detection, fire safety alarm, food and chemical industry.

气体传感器在环境检测、火灾与安全报警系统以及食品化工中具有广泛应用。

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The radar inductive control device is suitable for houses, government offices or safety alarm measures or automatic control devices of important places.

本装置适于家庭，机关或重要场所的安全警报措施或自动控制装置。

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Apps range from a safety alarm that can set off with a simple tap to providing links and resources on dating safety.

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But some argue that the bar may be lower for studies that sound the alarm on a potential safety risk.

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Fenton sees autonomous, flying robots moving beyond the battlefield, perhaps being used to fight fires as well as battles--with a single human able to survey a five-alarm blaze from the safety of an armchair.

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