military

Found 2 Results for military.

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1. Electric Current
All house current in the United States is 60-oycle ac, but some foreign countries use 50-cycle ac, and military and some industrial generators often produce 400-cycle ac.
http://www.fun-home-projects.com/electrical_projects/​electric_current.html

2. How It Began
Both the American Army and the Royal Air Force opened hydroponic units at military bases. Many millions of tons of vegetables produced without soil were eaten by Allied soldiers and airmen during the war years.
http://www.fun-home-projects.com/hobbies/​hydroponics/​how_it_began.html

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