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 summary: On December 7, 1941 the Japanese launched a surprise attack on the US Naval Base Pearl Harbor in Hawaii, using bombers, torpedo bombers and midget submarines. On December 8, President Franklin D. Roosevelt delivered his âInfamy Speechâ to American citizens, informing them that this occurred despite the fact that the US was in the midst of talks to keep peace with Japan.