Ergonomic manipulators are used to eliminate sources of physical stress and injury associated with operating machinery. The word ergonomic means human engineering or the design of safe and comfortable machines for human use. Ergonomic manipulators function in a variety of ways it works in accordance with a discipline that involves arranging an environment and its components to fit a person in it. Ergonomic disorders such as pain in the shoulders, neck, wrists and lower back can be avoided with the use of ergonomic manipulators. There are several types of ergonomic manipulators examples including ergonomic table lifts, ergonomic hammers, ergonomic keyboards, ergonomic illuminated keyboards and an ergonomic foot mouse. An ergonomic table lift is used to rise and position work pieces for ergonomic access. An ergonomic hammer enables the wrist to be positioned at a comfortable angle for maximum leverage. An ergonomic keyboard simply shifts the location of tension from the wrists and forearms up to the neck and shoulders. An ergonomic illuminated keyboard uses backlighting under low light conditions to give greater visibility, thus doing away with task lighting that adds an extra glare. An ergonomic foot mouse is a pointing machine consisting of two pads. An ergonomic foot mouse is foot operated and is most commonly used in industrial and factory automation, medical, military or aerospace and telecommunication.