Which of the following types of portable fire extinguishers contains an expellant gas and extinguishing agent in a single chamber and usually requires special charging equipment for pressurization?
A. Stored-pressure extinguisher
B. Pump-operated extingusiher
C. Combination-pressure extinguisher
D. Cartridge-operated extinguisher
Answer: A. Stored-pressure extinguisher
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A. HMO B. POS C. PPO D. HDPPO
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