Download or read book Concrete Mixers written by Ray McClellan and published by Bellwether Media. This book was released on 2010-08-01 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt: Have you ever wanted to leave your handprint in a patch of wet concrete? You may have wondered how concrete is formed and how it is set down to harden. This introduction offers a glimpse into this process and the giant machine behind it.