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Steel is used extensively in building structures, bridges, tunnels, and other infrastructure projects.

Steel is used in the production of a variety of goods, including transportation equipment.

Steel is an important material for creating car frames, engines, and other automotive components.

There are several types of steel, including carbon steel, alloy steel, stainless steel, and tool steel. Carbon steel is the most common type and is composed of iron and carbon, with a variety of strengths and hardness levels depending on the amount of carbon present.