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.
and many operating systems implement special circuitry to extend the stack
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The American private prison operator running Australia’s immigration network used an unsecured and unmodified Kia Carnival to transport a detainee who allegedly stabbed two of its staff during the journey and fled.
第二十八条 国务院能源主管部门负责核电管理，组织编制国家核电发展规划。核电发展规划按照规定的程序报国务院批准。核电站建设项目由国务院核准。