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Robots appeared many years ago. They are involved in many areas of life. The word "robot" can often be found in science fiction stories. Robots were invented and usedin different industries. They work with computer programs. Robots are very useful because they work faster than people. In addiction, they don't have holidays and they can work in dangerous environments. Robots are well programmed and don't make mistakes. Nowadays robots are often used for cleaning. Robots have already become an integral part of our life.