Final answer:
Annual SCBA inspection and maintenance is generally handled by a factory-qualified technician who is uniquely skilled and trained for this kind of specialized work.
Step-by-step explanation:
In terms of performing the annual SCBA (Self-Contained Breathing Apparatus) inspection and maintenance, the responsibility generally falls to the Factory-qualified technician (Option D). They possess specific training and qualifications necessary to identify any intricate issues with the equipment and address them properly. It's their duty to ensure that the devices are functioning correctly and are safe to use in emergency situations. While Fire Chiefs, Firefighters, or Fire Department mechanics may conduct routine checks, the detailed annual service is typically handled by professionals who are factory trained.
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