Engineers need to understand the legal and commercial context in which they draw up technical specifications. This thoroughly up-dated edition of Haslam's successful Writing Engineering Specifications provides a concise guide to technical specifications and leads the reader through the process of writing these instructions, with clear advice to help the student and professional avoid legal disputes or the confusion and time wasting caused by poor drafting. Designers and project managers should find this invaluable, and it should be helpful to insurers, lawyers, estimators and the like.