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.
Pearl Harbor attack. Pearl Harbor attack, (December 7, 1941), surprise aerial attack on the U.S. naval base at Pearl Harbor on Oahu Island, Hawaii, by the Japanese that precipitated the entry of the United States into World War II. The strike climaxed a decade of worsening relations between the United States and Japan.