"Popular technology; or, Professions and Trades. Volume 2" is the second volume of the publication, which tells about various professions and skills that form the basis of technological progress. In the book, the author Edward Hazen describes in detail various fields of activity, starting from crafts and ending with modern technologies. Through the prism of various professions and crafts, the author tries to understand how they interact and contribute to the development of society. Each chapter offers the reader to delve deeper into the essence of a certain profession, opening new horizons of knowledge and understanding of work processes. "Popular technology; or, Professions and Trades. Volume 2" is an interesting book that not only expands our understanding of the world of technology, but also inspires us to study new fields and acquire new skills.