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What are bricks made of?
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Bricks are among the oldest and most enduring of mankind’s building materials. Bricks are made by shaping a plastic mass of clay and water, which is then hardened by drying and firing. Until comparatively recent times the clay was dug, the bricks were made and the kilns set or drawn by manual labor with help from animal power. About 100 years ago, the first effective machines for brick production appeared, and the trend towards mechanization of clay winning, making and handling operations has continued at an increasing pace to the present day.
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