Soil Drinking water prospective monitoring: a gypsum block is often inserted in to the soil, and its electrical resistance is often measured to derive soil humidity.[forty eight] Cement Production: Selected kinds of cement, especially Portland cement, include gypsum for a setting regulator. Gypsum controls the hardening process of the cement, https://www.propanraya.com/id/produk/eco-gypsum-ee-4050