A new kind of machine( 1)to take the place of humans. These( 2)can do jobs that are too dangerous for humans.( 3),they are being developed to work in nuclear power centers, deep waters and outer space. This is how the new machines( 4). A machine is placed in an area far away from the person who controls it. The person( 5)a special hard hat with a tiny television screen. The screen(6 )the person to see and hear exactly what the machine is seeing and hearing. This gives the person the feeling of (7 )in the same place( 8)the machine. The person controls the machine. The machine( 9)the person's movements exactly. If the person raises his right arm, the machine raises the right arm, too. This means a(n) (10 )worker can do a dangerous job while staying in a(11)place. For example, a person can direct the machine (12)a bomb (13 )going near the bomb himself. The new machines are not exactly(14)robots. Robots are controlled by a computer. The new machines are controlled by a person. The new machines are called teleoperators(遥控机器). The nuclear power industry is especially interested in teleoperators. The machines can solve the problem of (15)radioactive(放射性的)materials.