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Ductile Iron Manhole Covers: Introduction<br>Ductile iron manhole covers are used to close the openings of manholes in order to avoid unwanted materials from falling into manholes and to prevent people from injuring themselves.<br>Worldwide economic growth and expansion of major industrial sectors such as chemicals, processing, petrochemicals, oil & gas, wastewater management, power & utility, and telecom, is likely to drive the demand for ductile iron manhole covers in the coming years.
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