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. an alliance creating an organised-and Russian dominated-military among central and political ties; In the long term the Warsaw Pact was both designed to partly mimic and counter NATO,and strengthen Russian control RWE: Warsaw Treaty Organization.