In this Friday, Jan. 11, 2013, photo, a robot paints 

In this Friday, Jan. 11, 2013,  photo, a  robot paints brake drums at Webb Wheel Products in Cullman, Ala.  Webb Wheel hasn't added a factory worker in three years, though it's making 300,000 more drums annually, a 25 percent increase, because of robots. (AP Photo/Dave Martin)
Associated Press
In this Friday, Jan. 11, 2013, photo, a robot paints brake drums at Webb Wheel Products in Cullman, Ala. Webb Wheel hasn't added a factory worker in three years, though it's making 300,000 more drums annually, a 25 percent increase, because of robots. (AP Photo/Dave Martin)
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