· Managers of water treatment plants in Ghana are forced to shut down due to pollution that is making cost of water treatment of water bodies very expensive. According to Mantey fresh water bodies in the following regions of Ghana have been polluted due to illegal mining activities. River Pra, Daboase, and River Ankobra that are the main water bodies in the .
Sand casting is one of the few available processes for metals with high melting temperatures such as steels, nickel, and titanium. Because of its flexibility, heat resistance, and relatively low cost, sand casting is the most widely used casting process. Castings are produced by pouring liquid metal into a mold cavity.