👉 Counterfoil is a type of material that is used to create a strong, protective barrier between two pieces of metal when they are connected. It is typically made from a thin layer of steel or other high-strength material and is placed over the exposed surface of the two components to prevent corrosion and improve their strength. The term "counterfoil" refers to any type of material that is used in construction, engineering, or manufacturing to create a protective barrier between two pieces of metal. It can be used
