Universally applicable, with several axes and equipped with grippers or tools - automated machines that can be programmed to move according to any sequence, path or angle. These are excerpts from the definition of an industrial robot. The first industrial robot was called Unimate and was used in the automotive industry from 1961. Today, it is hard to imagine factories without robots. Around 4 million will be in use worldwide by 2022. They include delta, dual-arm and hexapod robots. Great Inventions covers them all.