Lets take a quick look at a simple ergonomic fix.
On the left is a person feeding copper sheets into a press. The problem is the sheets are stuck together and being flat they are hard to separate and pick up. The people slap the surface hard to try to jar the sheets loose so they can be separated and picked up. Hand injuries occur from the repetitive slapping, and it slows the work down by 30 to 40%.
On the right is the simple fix. An old piece of 4x4 is placed under the stack and the spring-steel like behavior of the sheets causes them to self-separate.No more hand injuries and an increased production rate. The point here is that many times the fixes are simple and cost effective they just take an understanding of the problem, listening to the people doing the work, and some lateral thinking.