Description :
The process of casting is one of the techniques of making Iron Products and Crafts where the metal is melted in a melting furnace and then poured into a mold cavity similar to the original form of the cast product to be made. As a manufacturing process using liquid metals and molds, the foundry is used to produce the original form of the finished product.
Expeller is a mechanical method for extracting oil from raw materials. Raw materials are squeezed under high pressure in one step. When used for food oil extraction, typical raw materials are nuts, seeds and algae, which are supplied to the press in continuous feed.