2. Magnetic lifting system
In conclusion, the round shape of manhole covers is a practical design choice born from historical necessity, safety considerations, and structural efficiency. By eliminating risks associated with other shapes, enabling easy handling, and providing superior stress distribution, round manhole covers have become the standard in modern urban infrastructure. As cities continue to evolve and expand, the unassuming round manhole cover stands as a testament to the power of thoughtful engineering in ensuring safety and efficiency in our increasingly complex environments.
1. Weight Capacity Ensure that the carrier can support the total weight of your bikes, including any additional gear you might carry. Look for a carrier that exceeds your total bike weight to provide a margin of safety.