The document discusses the topics of robots and robotics. It defines a robot as a re-programmable, multifunctional machine that can replace humans in hazardous work. Robotics is the science of designing and building robots to perform tasks like removing mines, working in space or the military. The aim of robotics is to create efficient robots that can work faster than humans in dangerous conditions and perform repetitive, accurate tasks. The document outlines the main components of industrial robots and different types of robots including mobile, stationary, remote controlled, autonomous, and virtual robots. It provides a brief history of robots from their introduction in a 1920 play to the first industrial robot installed by General Motors in 1961.