Which four types of molds are used in casting?

Which four types of molds are used in casting?
Types of casting molds
Vacuum form. Vacuum forming can produce many thin and fragile molds in a short time. ...
Ceramic mold. Ceramic molds are often produced using a "lost wax" casting process. ...
permanent mold. Permanent molds are usually made of steel, iron, silicone or polyurethane. ...
Die casting.