iBT Topic Vocabulary Breakthrough Unit 001
Author: Li Xiaolai
Basic building materials include: timber, mud, stone, marble, brick, tile, steel, and cement concrete. Masonry walls are built with stones or bricks, cohered through the use of mortar, first composed of lime and sand. The profusion of aluminum and its anodized coatings provided cladding material that is lightweight and virtually maintenance free. Glass was known in prehistory and is celebrated for its contributions to Gothic architecture.
Author: Li Xiaolai
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