Tim has been working with high pressure water for more than 45 years. Beginning his operating career in high pressure water jetting underwater as an oilfield diver undertaking non destructive testing, onto marine cleaning, tube and pipe cleaning to technical author for numerous operating and safety manuals for the industry, contractor and certificated Quality Assurance Lead Auditor, certificated Work Place Inspector and Trainer. All these skills were applied to the water jet industry giving him a valuable broad experience base from which he drew the information to write this book.