Flange

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A flange serves various purposes in diverse applications - it can function as an external or internal rim (lip) that bolsters strength in structures like iron beams, such as I-beams and T-beams. It also facilitates attachment to other objects, a common example being the flanges found on pipe ends or steam cylinders. In addition, it can be found on lens mounts of cameras for stability. Flanges are also present on rail car or tram wheels for secure connection.