Abstract: A safety helmet having a shell constructed of a rigid material, the shell having a body portion and a brim portion extending outwardly from the body portion, the body portion having an exterior surface, an interior surface, an interior cavity defined by the interior surface of the body portion, and a bottom opening in open communication with the interior cavity, the interior cavity of the body portion sized to receive a portion of a head of a person. An adjustable webbing assembly is connected to the interior surface of the body portion for supporting the interior surface of the body portion of the shell a distance from the person's head. The safety helmet further includes a plenum extending along a portion of the exterior surface of the body portion of the shell, the plenum having an air inlet, at least one air outlet and an air flow passageway extending there between, the at least one air outlet of the plenum being in open communication with the interior cavity of the body portion of the shell.

Abstract: An interior security door panel for receipt inside the frame of a stationary and sliding glass door and adjacent thereto. The interior security door panel preventing unlawful entrance through the door.

Abstract: An interior security window panel for receipt inside the frame of a window and adjacent thereto to prevent the unlawful entrance through the window. The window panel secured to the inside of the window frame to prevent removal of the panel from outside the building.