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The noise emitted from a manhole cover is often a byproduct of its design and installation. Over time, wear and tear can lead to gaps between the cover and the frame, creating a resonant chamber that amplifies the sound of vehicles passing overhead. This phenomenon not only contributes to the urban soundscape but also represents a challenge for city planners and engineers. The constant noise pollution can be a source of irritation for residents, prompting complaints and demands for maintenance. Local governments must balance the need for functional infrastructure with the desires of the community for peace and quiet.
noisy manhole cover

Cost is another compelling reason to consider used bike racks. New bike racks, particularly high-quality ones, can be quite expensive. For cycling enthusiasts, especially students or families on a budget, the cost savings associated with buying used racks can be substantial. Many second-hand bike racks are in excellent condition and can be purchased at a fraction of the price of new ones. Websites like Craigslist, Facebook Marketplace, and specialized cycling forums often feature listings for used bike racks, making it easy for cyclists to find affordable options.
used bike racks
