ironing board cover 18 x 54_business tablecloth

With the rise in vehicular attacks in crowded places, the need for enhanced security measures has become clearer. High-profile incidents in urban areas across the globe have prompted an urgent call for protective infrastructure. Crash rated bollards can deter potential threats by creating a physical barrier that is difficult to breach. For example, they are often deployed outside stadiums, festivals, government buildings, and shopping centers to protect large crowds from unexpected vehicle incursions.

Manholes are covered by very heavy removable metal plates. According to Untapped Cities, a website that explores New York City, these manhole covers generally weigh between 200 and 300 pounds (90 and 136 kilograms) and are made from concrete or cast iron. Each manhole opening contains a lip around its edge on which the cover sits. These covers protect unwary pedestrians from inadvertently falling into the sewers, but also protect the sewers from debris, such as trash or organic materials, which typically collects on streets and could potentially clog sewers and water systems.