Excerpt from Building Technology Project Summaries, 1979 The Center for Building Technology's (cet) mission is to increase the usefulness, safety, and economy of buildings through the advancement of building technology and its application to the improvement of building practices. Cbt's research activities support the building technology programs of Federal, state, and local governments; assist design professions, building officials, and the research community by developing improved design criteria; and assist manufacturers of building products by developing methods for evaluating innovative materials, components and systems. Ultimately, each project at the Center aims to provide improved knowledge, in usable form, to the building community. Typical cet activities include. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.