Excerpt from Building Technology Project Summaries, 1990 Cbt provides a quality assurance program for over 1000 public and private construction materials testing laboratories nationwide that is relied upon by owners, designers, builders, and state and local governments responsible for buildings and transportation facilities. Cbt works closely with its international peer organizations to assure cognizance of foreign research developments, that research efforts are complementary, and that u.s. Interests are represented in preparation of recommendations for inter national standards and practices. 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.