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Subjects
- Acclimatization1
- Adaptation, Physiological4
- Air Pollutants, Occupational4
- Arctic Regions1
- Burns -- prevention & control4
- Climate1
- Clothing1
- Cold Climate3
- Cold Temperature8
- Desert Climate1
- Firearms1
- Food Storage -- instrumentation2
- Hot Temperature2
- Military Personnel[remove]22
- Motor Vehicles4
- Protective Clothing11
- Rain1
- United States[remove]22
- Ventilation3
- Weapons3