A Robot is both automated and intelligent. A robot used in industry does not need to resemble a human, normallly those used in industry only need a single human type part, the most common part used is the arm. These manipulative arms are used to paint anything, simple assembly, or solder electronic components to circuit boards, even highly precise lead soldering to the die of the microprocessor. One of the most important uses of robotic arms is to release satalites & to grab satalites out of orbit in the space shuttle. Testing Labrotories use some of the most interesting types of robotic devices to simulate repeditive use of products & test a wide range of products for durability. One of the most important components in a robotic device is are the sensor units, without them the robot would not know where to begin or end. Types of sensors used in robotics are video cameras, proximity sensors, and tactactile sensors are used in helping a robot to position itself to perform a task and to help in the actual performance of the task. Infrared sensors are used to sense the location or presence of objects to be placed on pallets; for example. Robotic sensors can even be more highly specialized than ever thought possible; in sensing such things as detailed as a specific human voice, a individuals eye pattern, or a finger print. A robot needs to be maneuverable and versatile to the extent to which it has an adequate power/drive system to allow it the ability to do something. Objects that enable robots to do things are techniquely called, end-effectors. Robots need to be versitle in what they do and highly maneuverable to be able to position themselves to complete a specific task. The power/drive mechinisms of robots use air (pneumatics), liquid (hydrolics), Or electricity (motors). The choice basis between for the power/drive units depends on the load and the accuracy with which movements are to be effected. Pneumatic drive units are not used wh...