Why are ergonomics so important?

Here's the definition for Ergonomics (n.): The applied science of equipment design, as for the workplace, intended to maximize productivity by reducing operator fatigue and discomfort.] It's quite beneficial to have the right tools so one can do the tasks at hand, things proceed better and it also reduces frustration and maintains contentment in people. Some jobs I've had, I wish it were so! Hope my info helps ya! See Ya!