Which of the following statements about clean-agent fire-extinguishing systems is MOST accurate?
A. They leave no residue
B. They leave a residue that creates a cleanup problem.
C. The agent creates an asphyxiation and freezing hazard.
D. The agent may act as a conductor of electrical energy.
Answer: A. They leave no residue
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A) muscarinic B) nicotinic C) dopamine D) opiate
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A) a diploma B) registration C) a certificate D) a license
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Fill in the blank(s) with the appropriate word(s).