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.
Publisher. A+E Networks. On this day in 1941, at around 1:30 p.m., President Franklin Roosevelt is conferring with advisor Harry Hopkins in his study when Navy Secretary Frank Knox bursts in and announces that Japan had attacked Pearl Harbor. The attack killed more than 2,400 naval and military personnel.n this day, in an early-morning sneak attack, Japanese warplanes bomb the U.S. naval base at Oahu Islandâs Pearl Harborâand the United States enters World War II. President Roosevelt and Secretary of State Cordell Hull knew a Japanese attack was imminent.