AK20I means 80% nitric acid + 20% N2O4 + Iodine passivant
AK = Azotna Kislota = Nitric Acid in
NASA
Similar to AK20I
ABC - Active Body Control
ABC - Audio Bus Coupler
ABCL - As Built Configuration List
ABE - Anomalous Biological Entities
ABHRS - As Built Hardware Reporting System
ABL - Allocated BaseLine
ABOLT - Acquire Bolt
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