Pencils; Pens; Stationery; Balls for ball-point pens; Charcoal pencils; Compasses for drawing; Correcting tapes; Desktop cabinets for stationery being office requisites; Drawing instruments; File folders; File trays; French curves; Pen clips; Pen and pencil cases; Pencil cases; Retractable pencils; Square rulers for drawing

software program for generating a signal output to a monitor system for the purpose of recording electrical activity of a skeletal muscle