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Hebei Hankai 25 35 7 oil seal

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2025-08-14 13:55
2025-08-14 13:33

 

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    The design of water manhole covers also plays a role in public safety. A well-fitted, sturdy cover prevents accidents, such as pedestrians or vehicles falling into open manholes. Additionally, they discourage unauthorized access to underground systems, which may pose safety risks or lead to disturbances in utility services.