This document provides an introduction to technical report writing. It discusses the differences between academic and technical writing, with technical writing focusing on getting a task done for a specific audience. The document outlines the characteristics of effective technical writing, including clarity, comprehensiveness, conciseness, and correctness. It also discusses best practices for writing techniques, such as using positive language, lists, headings, and short paragraphs. Overall, the document serves as a guide for writing technical reports and communications in an effective manner.