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.
The Warsaw pact was a response to NATO (The North Atlantic Treaty Organization), the treaty made by the Western Allies in 1949.As well as the re-militarization of West Germany in 1954, both threats to the Eastern countries. The Warsaw Pact quickly rapidly became a powerful political tool for the Soviet Union.he Warsaw pact was a response to NATO (The North Atlantic Treaty Organization), the treaty made by the Western Allies in 1949.