HISTORY OF MOUNTAIN WARFARE

History of mountain warfare

Mountain warfare has thousands of years of history and presents numerous challenges to military operations.History proves, that this environment has decreased combat strength, caused more casualties than the enemy in read more some operations and influenced war tactics significantly.Mountain warfare has an increasing frequency due to withdrawal are

read more


Room-level ventilation in schools and universities

Ventilation is of primary concern for maintaining healthy indoor air quality and reducing the spread of airborne infectious disease, including COVID-19.In addition to building-level guidelines, increased attention is being placed on room-level ventilation.However, for many universities and schools, ventilation data on a room-by-room read more basis

read more