Chair - Proper chair height, backrest, seatpan and armrest positions. Computer Monitor - Proper positioning of computer monitor on desk, proper monitor height, tilt/angle, resolution of text on monitor screen, and glare remediation. Computer Keyboard - Proper tilt/angle and height of computer keyboard, wrist rests, and proper positioning of computer keyboard on desk or keyboard tray. Computer Mouse - Proper positioning of computer mouse on desk and proper mousing/gripping technique. Desk - Proper desk height, proper below-surface area and proper placement of computer components and accessories.