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.
answers relevance rating newest oldest best answer purposes of the un to maintain international peace and security to safeguard human rights to provide a mechanism for international law and to promote social and economic progress improve living standards and fight diseasesust now report abuse the main purpose of the united nations is to keep international peace the un gets involved in many civil wars if the country ask for help however with the description of the un s purpose they have not been very successful in the past