हिन्दी भाषा (hi) | भाषा बदलें (Change Language)
  1. Breakout Session, ECHO Appropriate Technology Virtual Fair, September 3, 2020 Hosted by Elliott Toevs, Appropriate Technology Manager, ECHO Florida
  2. This publication which is designed to serve as an introduction to leather production sets out, in relatively simple terms, the general principles of the various tanning and finishing purposes involved in producing different leather designed to serve a range of purposes.
  3. This book is written with two objectives. First, it may be a reference book for those who are interested in biofuels. Second, it may be used as a textbook to teach biofuel technologies to science and engineering students who want to contribute to the development and implementation of processes...