Abstract: A dosimeter device that is fabricated from a flat member separated into panels along fold lines. In an illustrated embodiment, a first panel has two attenuators thereon, a first attenuator formed of a first material and a second attenuator formed of a second material. The first panel also has a window or opening formed thereon. A second panel also has two attenuators thereon, a third attenuator formed of the same material as the first attenuator on the first panel and a fourth attenuator formed of the same material as the second attenuator on the first panel. The second panel is separated from the first panel by a fold line, and the second panel also has a window or opening formed thereon. A third panel is separated from the second panel by a second fold line, and has a radiation sensitive member thereon.

Abstract: A modular system for supporting equipment on a wall has support panels. Each panel includes a sheet having columns of keyholes, and a rear support surface lying in a plane parallel to and spaced behind the sheet. The rear support surface has keyholes near the top of the panel and fastener elements near the bottom of the panel. The fastener elements have the same spacing as the keyholes near the top of the panel. The fastener elements project from the plane of the rear support surface toward the front support surface to permit mating with keyholes near the top of another panel to be hung below it.