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An average edition of an cost storage door applied in the past could have been built as a one-piece panel. The section was mounted on each area with unequal parallelogram design hinge raising mechanism. Newer types of overhead storage gates are now actually typically developed from many panels hinged together that throw along something of songs guided by rollers. The fat of the entranceway may be 400 lb (181.4 kg) or maybe more, but is balanced by the torsion spring system or a couple of expansion springs. A remote controlled electric device for opening garage gates adds comfort, safety, and security.