Optical-based smoke alarms use light instead. They are slightly better at detecting the large smoke particles created by slow, smouldering fires. When such particles enter a chamber in the device, they scatter light from a small light source, which is then picked up by a photoelectric sensor.
This revenue model will be much more beneficial to designers. You can experiment with the AI image and content generation tools and share your creations while earning a small income on the side.
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14:43, 27 февраля 2026МирЭксклюзив
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