This book is the most comprehensive book you will find on AutoCAD 2021 – 2D Drafting. Covering all of the 2D concepts, it uses both metric and imperial units to illustrate the myriad drawing and editing tools for this popular application. Use the companion files to set up drawing exercises and projects and to see all of the book’s figures in color (Files also available for downloading with Amazon order number by writing to the publisher at info@merclearning.com). AutoCAD 2021 Beginning and Intermediate includes over 100 "mini-workshops” that complete small projects from concept through actual plotting. Solving all of these workshops will simulate the creation of three projects (architectural and mechanical) from beginning to end, without overlooking any of the basic commands and functions in AutoCAD 2021.

Applied Flow Technology Arrow - отличная программа для гидравлического расчета различных разветвленных сетей со сжимаемыми средами (включает также расчет теплопотерь). Осуществляет анализ системы при скоростях вплоть до звуковой (также включен анализ сети при звуковом ударе).