PROTECTING THE SAILOR AGAINST COLD.
D003020:Clothing; D003080:Cold Temperature; D006801:Humans; D008889:Military Personnel; D012767:Ships; D013366:Submarine Medicine; D013534:Survival; D013550:Swimming; D013812:Therapeutics; D014867:Water
D014867:Water
CLOTHING; COLD; MILITARY PERSONNEL; SHIPS; SUBMARINE MEDICINE; SURVIVAL; SWIMMING; THERAPEUTICS; WATER