Widely used in the construction industry as a key component in cement and concrete, enhancing strength and durability. Serves as a filler in paper production, improving brightness and smoothness. Employed in the manufacturing of paints and coatings to control viscosity and add bulk. Utilized in agriculture to neutralize acidic soils and improve crop yield. Acts as a dietary supplement for calcium fortification in foods and pharmaceuticals. Commonly found in antacids to relieve indigestion and heartburn. Used in water treatment to adjust pH and reduce acidity. Plays a role in flue gas desulfurization to reduce sulfur dioxide emissions in industrial processes.