Can you think of even one job or occupation where you never have to lift? I can't. Lifting is very much a part of our everyday jobs. And, because it's something we do so often, we tend to do it automatically, without thinking.
Electric shock, and too often fatalities, occur on construction jobsites when temporary power systems are in use. All construction workers who operate power tools should receive training in the systems that safeguard them from electrical hazards.