The Plastics Injection Moulding arena is a worldwide arena where different cultures use different methods, however the base set of instructions or how we do things in this arena stick true. As we progress through the different levels of advancement, ie: operator, operator-setter, material handler, diesetter, troubleshooter, die-trialer. we get asked or instructed to do things, we may even get told why, but this why is typically 'because that's how it's done'. This book and others in the series go a lot more in depth explaining the Why we do things in this arena. I describe in depth the reason we do what we do including side effects in Plastics Injection Moulding.