Robots are machines that make our lives easier; they also (1) .. . Robotics uses science and engineering together. (2) .. engineers work with the design, construc- tion, operation and use of robots, especially through computer system. On the scientific side, engineers study how a robot's design depends on how well it does its job. Robots can be used in many situations and for lotsof aims, for example, (3)... . But today many robots are used in dangerous situations, or where humans cannot live, for example, in space, under water and in high heat. Robots can have any form but some robots are made like humans in appearance. (4) ... be friendly to them. Such robots can walk, lift and carry heavy things, speak, (5) ... .
