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 North Atlantic Treaty Organization. It is composed of many nations from numerous walks of life. Its purpose is to enforce peace treaties in the North Atlantic and to use military force against violators of those treaties or of human rights. The United States of America is a leading member nation in NATO.