When you manage a production line, you may easily get confused by a large amount of work. One way to simplify this kind of confusion is to concentrate on QCD.
These are three big matters in productions. Who doesn't like quick delivered, reasonable, good-quality products? This is the way to satisfy any kind of customers. Moreover, we sometimes call it SQCDM as well.
Of course, the safety and morale of factories are the most important thing for worker!