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Subjects
- United States22
- Weapons[remove]22
- Military Personnel11
- Ventilation11
- World War II10
- Air Pollutants, Occupational9
- Motor Vehicles9
- Equipment and Supplies5
- Military Personnel -- education5
- Vehicle Emissions5
- Air Pollution, Indoor1
- Carbon Monoxide1
- Carbon Monoxide Poisoning1
- Equipment and Supplies -- standards1
- Facial Injuries -- prevention & control1
- Fatigue1
- Head Protective Devices1
- Task Performance and Analysis1
- Telescopes1