Example - for a 3-bedroom, 2,000-sq.ft. home, with an exhaust-only ventilation strategy, and a target ventilation rate of 50 CFM you would need to install a 50 CFM fan with an adjustable-speed DC motor for continuous operation.
Quick Answer. Trenches were built during World War I to protect stalemated troops on both sides from artillery and rifle fire. Although the war began with rapid movement of the German army, when the Allied forces stopped the Germans, both sides dug trenches to help avoid losing territory they had gained.
Welcome to the Medieval Women and War page. Its purpose is to provide a reference tool, especially for students beginning their research. The books and papers listed here were selected because they provide references to primary sources about women waging war in the Middle Ages.elcome to the Medieval Women and War page. Its purpose is to provide a reference tool, especially for students beginning their research. The books and papers listed here were selected because they provide references to primary sources about women waging war in the Middle Ages.