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    Robots were something in science novels and movies. Now there are many robots working in factories. In fact, most working robots are not like humans at all. Some are more like strange machines, They do most of dirty or dangerous jobs over and over again. Robots never get bored or tired but humans will if they do the same jobs. Scientists believe there will be more new robots everywhere, but it may take hundreds of years. They will have different shapes. They will look like humans or animals. In India, scientists made robots that look like snakes. They can help find people inside fallen buildings.