What Is A Preform, And Why Do We Need Them?
A preform is a small, shaped piece of material that is used as a starting point for a larger object. Preforms can be made from a variety of materials, including metals, plastics, and ceramics. They are usually made by machining, casting, or molding. Preforms are used in many industries, but they are perhaps most commonly … Continue reading "What Is A Preform, And Why Do We Need Them?"