There are some jobs that the world simply can't live without, and blue-collar jobs make up a pretty large portion of those essential jobs. The infrastructures that keep the lights on, homes warm, and food fresh are all built, operated, maintained, and occupied by blue-collar workers who sometimes don't get the praise, and pay, they deserve. These often unsung heroes of society are truly the gritty, hardworking backbone that makes so many people's soft, comfortable lives possible. Without them, we would be left to our own devices, and surely not very many of us really know how to run a power grid or build a shipping boat!
Read on to learn about just a few of the essential blue-collar jobs that keep our world running.