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Bronze was cast into desired shapes and if damaged could be recast. Other uses of copper and bronze were to "harden" the cutting edge of tools such as the Egyptians using copper and bronze points for working soft stone including quarrying blocks and making rock-cut architecture.
During the Bronze Age the corbelled arch came into use such as for beehive tombs.
Another fine example is the ziggurat at Chogha Zanbil in modern Iran.A new woodworking tool allowed by the use of steel is the hand-plane.The earliest large-scale buildings for which evidence survives have been found in ancient Mesopotamia.The History of construction overlaps many other fields like structural engineering and relies on other branches of science like archaeology, history and architecture to investigate how the builders lived and recorded their accomplishments.Those fields allow us to analyse constructed buildings and other structures built since prehistory, the tools used and the different uses of building materials.