Exhaust-Only Ventilation Exhaust-only ventilation is the reverse of supply-only ventilation; stale air leaves the building from a known location (through exhaust fans ducted to the outdoors) and outdoor air enters the building from an unknown location.
In the 1960s, the Soviet Union began to prepare the Warsaw Pact for its internal function of keeping the NSWP member states within the alliance. The Soviet Union took a series of steps to transform the Warsaw Pact into its intra-alliance intervention force.
Warsaw Pact. A military alliance formed in 1955 by the Soviet Union and its East European satellite nations. Became the counter-alliance to NATO. Both alliance systems planned action in the event of hostilities. military alliance formed in 1955 by the Soviet Union and its East European satellite nations. Became the counter-alliance to NATO. Both alliance systems planned action in the event of hostilities.