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woman sofa television
Light switch used to turn on a human brain. Traditional illustration on paper, my own artwork
Franklin Park, Illinois, USA
Electronics Systems Lab used to train technicians in a vocational education setting Closeup background
Saving energy tips: unplug appliances when not in use and switch off lights
Complete vector set of electric and electronic circuit diagram symbols and elements - digital electronics, logic gate (ansi system, british system
Main operating panel for computerized control marine ship engine
