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    What is Manhole?
    A manhole is a covered opening or access point on the surface of a road, sidewalk, or other paved area that provides entry into an underground utility or infrastructure system. It is typically a round or rectangular hole large enough for a person to enter and perform maintenance or inspection tasks.
    Manholes are common in urban areas and serve as access points to underground networks, including sewer systems, storm water drains, electrical and communication cables, water pipelines, and gas lines. They allow workers to enter these underground structures for repairs, cleaning, inspections, or installations.

    1. Erosion Control Gully grids play a vital role in controlling soil erosion. By channeling water away from vulnerable areas, they help to mitigate the loss of topsoil, which is essential for plant growth. In regions prone to landslides or heavy rainfall, a well-developed gully grid can protect the integrity of the landscape and promote agricultural sustainability.