Electronics engineering, also referred to as electronic engineering, is an engineering discipline which uses the scientific knowledge of the behavior and effects of electrons to develop components, devices, systems, or equipment (as in electron tubes, transistors, integrated circuits, and printed circuit boards that uses electricity as part of its driving force.
The problem here is that Shameless009 washed the dust of the printed circuit board, and didn't use a brush to wipe the dust instead. I yet don't know what college he goes to.