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A rolling shutter, also known as roller door or sectional above door is a sort of window or door shutter containing of several horizontal slats (or occasionally web systems or bars) hinged organized. The door is upraised to lower to close it and open it. On huge doors, the deed may be motor-powered. It delivers defense beside rain and winds. In shutter form, it is utilized in front of a window and defends the window from destruction and burglary tries. Roller shutters have many usages, comprising doors for garages, vans, schools, kitchens, warehouses and prisons.