Smoke detector

Март 16, 2021

Содержание

3. A standard smoke detector consists of a body an electronic board and an optical system.
4. When smoke appears, it penetrates into the body of the device.
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A standard smoke detector consists of a body an electronic board and

A standard smoke detector consists of a body an electronic board and an optical system.

an optical system.

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When smoke appears, it penetrates into the body of the device.

When smoke appears, it penetrates into the body of the device.

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