Similar to 4SR-21

ACFMS - Airframe Cumulative Fatigue Monitoring System
ACFX - Air-Cooled Flooded Chiller
ACFZ - Arctic Cooling FreeZer
ACG - Additive Congruential Generator
ACG - All Condition Gear
ACH - Absorption Chiller Heater
ACID - Amstrad Cartridge Identification Device

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