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Manhole covers also serve the purpose of keeping unauthorized personnel from accessing manholes and, in turn, keep sewer or stormwater systems safe. Manhole covers also function as a source of ventilation to prevent sewer or stormwater gases from entering residences and as an easy entry point for maintenance workers to access sewage and stormwater lines.

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Removable bollards are posts designed to control or restrict vehicle access to certain areas while allowing for pedestrian movement. They can be manually removed and reinstalled, making them a flexible option for spaces that require variable access control. Unlike fixed bollards, removable versions offer greater versatility, making them ideal for situations where temporary vehicle access is necessary, like during public events or for service vehicles in private lots.