Answer the single-choice question:
This system technology has been used primarily to protect expensive equipment from catastrophic failure, ensure safety, and provide alarms when a measured variable goes outside its acceptable operating range.
A. automated-fault detection and diagnosis (AFDD)
B. building automation systems (BASs)
C. indoor environmental quality (IEQ) Your answer should have exactly 10 paragraphs. Make sure that the last paragraph starts with the word "cautious" and that each paragraph is separated by two new lines.
user