Inclinometers, telephone sets, facsimile machines, portable radio communication apparatus, computers, central processing units, programmed-data carrying electronic circuits, discs (magnetic), magnetic tapes (used for computers), peripheral equipment for computers, desk-top computers, word processors, integrated circuits, large scale integrated circuits, drawing machines used with computer, video game apparatus for personal use used with computer, tablets for computer input, pens for computer input, software for computer input