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Portland cement is the basic ingredient of concrete. Concrete is formed when portland cement creates a paste with water that binds with sand and rock to harden. Cement is manufactured through a closely controlled chemical combination of calcium, silicon, aluminum, iron and other ingredients. Common
This statistic illustrates the production value of soil, rock, sand and gravel in Taiwan from 2007 to 2016. In 2016, Taiwan's soil, rock, sand and gravel production value reached around 16.3 billion New Taiwan dollars, decreased from about 21.17 billion New Taiwan dollars in 2007.