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.
Shortly before 8am on Sunday 7 December 1941, the first of two waves of Japanese aircraft launched a devastating attack on the US Pacific Fleet, moored at Pearl Harbor in Hawaii. The raid, which came with no warning and no declaration of war, destroyed four battleships and damaged four more in just two hours.he causes of the attack on Pearl Harbor stemmed from intensifying Japanese-American rivalry in the Pacific. Japanâs imperial ambitions had been evident from as early as 1931, when she invaded Manchuria. The conquered regionâs bountiful resources were then used to supply Japanâs war machine.