Manhole covers are often overlooked elements of urban infrastructure, yet they present an intriguing blend of practicality and design. Typically made from cast iron or composite materials, these covers are designed not only to provide access to underground utility systems but also to ensure public safety. One of the most interesting aspects of manhole covers is their shape, which raises questions about engineering, aesthetics, and societal norms.
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(v) Connection to Utilities: During the construction of the manhole walls, connections are made to the utility lines, such as sewer pipes or storm water drains. These connections allow for access to the underground systems and facilitate maintenance and repairs.