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2025-08-16 14:42
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    1. Environmental Protection One of the most significant advantages of double sealed manhole covers is their contribution to environmental protection. By preventing leaks and seepage, these covers help maintain the integrity of local ecosystems, reducing pollution in soil and groundwater.


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    In more recent years a variety of alternative materials have increased in popularity when it comes to manufacturing manhole covers. This is due to many issues associated with cast iron manhole covers. Some of the top drawbacks of cast iron manhole covers include scrap metal theft, injury to workers associated with the weight, and corrosion.