Electrostatic plotter. An electrostatic plotter is a type of plotter that draws images on paper with an electrostatic process. They are most frequently used for Computer-Aided Engineering (CAE), producing raster images via either a Liquid Toner or a Dry Toner model.
1 Japan attacked Pearl Harbor because the U.S. enacted an embargo on all oil supplies to Japan. 2  The reason for the embargo is because Japan was invading China. 3  The U.S. embargo cutoff 90% of Japans resources, which crippled their economy and most importantly military.
In the early morning of Dec. 7, 1941, the U.S. naval base at Pearl Harbor, Hawaii, was attacked by the Japanese military. At the time, Japan's military leaders thought the attack would neutralize American forces, allowing Japan to dominate the Asia Pacific region.