A humanoid robot works side by side with employees in the assembly line at a factory of Glory Ltd., a manufacturer of automatic change dispensers, in Kazo, north of Tokyo, Japan, July 1, 2015. Japanese firms are ramping up spending on robotics and automation, responding at last to premier Shinzo Abe's efforts to stimulate the economy and end two decades of stagnation and deflation. (Photo by Issei Kato/Reuters)

A humanoid robot works side by side with employees in the assembly line at a factory of Glory Ltd., a manufacturer of automatic change dispensers, in Kazo, north of Tokyo, Japan, July 1, 2015. (Photo by Issei Kato/Reuters)

A screen attached to a humanoid robot shows operational status in the assembly line at a factory of Glory Ltd. a manufacturer of automatic change dispensers, in Kazo, north of Tokyo, Japan, July 1, 2015. (Photo by Issei Kato/Reuters)

A humanoid robot works side by side with employees in the assembly line at a factory of Glory Ltd., a manufacturer of automatic change dispensers, in Kazo, north of Tokyo, Japan, July 1, 2015. (Photo by Issei Kato/Reuters)

Humanoid robots work side by side with employees in the assembly line at a factory of Glory Ltd., a manufacturer of automatic change dispensers, in Kazo, north of Tokyo, Japan, July 1, 2015. (Photo by Issei Kato/Reuters)

An employee walks past at the entrance of a factory of Glory Ltd., a manufacturer of automatic change dispensers, in Kazo, north of Tokyo, Japan, July 1, 2015. (Photo by Issei Kato/Reuters)

Humanoid robots work side by side with employees in the assembly line at a factory of Glory Ltd., a manufacturer of automatic change dispensers, in Kazo, north of Tokyo, Japan, July 1, 2015. (Photo by Issei Kato/Reuters)

A humanoid robot is seen in the assembly line at a factory of Glory Ltd., a manufacturer of automatic change dispensers, in Kazo, north of Tokyo, Japan, July 1, 2015. (Photo by Issei Kato/Reuters)