A Plain Hinge is a mechanical joint that helps to attach a door to its frame allowing it to swing open and closed. It enables the door to pivot smoothly provides the necessary support and stability for its movement and features a mild steel pin inside the hinge which helps with the rotational movements of the hinge.Attributes:• Ensure proper alignment within the door frame • Provide a stable connection to prevent the door from coming offApplications:A Plain Hinge helps to support the weight of the door and withstand the forces generated during the movement providing support and stability when the door is closed, allowing for precise alignment of the door.