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    Now, the ' ' part is particularly intriguing17x40x7 seal. In computing, it is a URL encoding for the space character. It could symbolize a hidden message, a break between ideas, or even a call for pause and reflection. Alternatively, it might simply be a reference to the 20th century, a time marked by rapid technological advancements and social upheaval.

    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.