Plastics are polymers that are utilized in a variety of purposes, including packaging, part fabrication, structural support, and wear strips. Plastic angle stock is used to support construction projects. Conveyor systems and paths in manufacturing and processing equipment use plastic full round, half round, channel stock, and tube stock materials as guides. Strainers, guards, screens, and dividers are all made of plastic perforated sheets. High-precision mechanical parts are frequently manufactured from plastic bar stock and rod stock. Injection molding, machining, packing, construction, and signs all use plastic sheets and films. Plastic tubes act as electrical insulators and safeguard the contents of the tubes. Plastic rods are rigid, straight, and long-lasting. Plastic discs are cylindrical pieces of material that are frequently used to make high-precision parts.