Presence of warmth or heat or a temperature notably higher than an accustomed norm.
Heat,Hot Temperatures,Temperature, Hot,Temperatures, Hot
D006813
Humidity
A measure of the amount of WATER VAPOR in the air.
Humidities
D014586
USSR
A country located from the Baltic and Black seas to the Pacific Ocean and, for a time including 15 Soviet Socialist Republics. The capital was Moscow.
Soviet Union,Union of Soviet Socialist Republics
D014691
Ventilation
Supplying a building or house, their rooms and corridors, with fresh air. The controlling of the environment thus may be in public or domestic sites and in medical or non-medical locales. (From Dorland, 28th ed)