A robot suit entitled HAL (Hybrid Assistive Limb) is displayed at the Japan Robot Week exhibition in Tokyo on October 18, 2012. The new type of robot suits are to be used by workers at nuclear disaster sites and will be field tested at TEPCO's Fukushima power plant. AFP PHPOTO / Yoshikazu TSUNO        (Photo credit should read YOSHIKAZU TSUNO/AFP/Getty Images)