If you cut your leg, would you take aspirin for the pain instead of closing/bandaging the cut?
A production line slowed noticeably, one day. The responding maintenance technician quickly restored line speed by adjusting the speed control setting in the programmable logic controller (PLC). Applause, applause, take a bow and move on to the next problem.
But what did this technician really fix?
Not the underlying problem, because he didn’t even look. He didn&r