Abstract: A modular assembly is provided for managing the flow of fluid beneath a ground surface. The assembly can feature a plurality of modules, each having a deck portion and opposing sidewalls extending downward therefrom. The opposing sidewalls can slope outward and away from one another as they extend downward from the deck portion. The modules further comprise a shoulder for supporting a link slab, and to support and separate modules that are stacked during transportation or storage. The sidewalls can define an interior fluid passageway having a flared configuration from top to bottom. The link slab and sidewalls of adjacent modules can define an exterior fluid passageway in fluid communication with a lateral fluid channel. A method is also provided for making a precast concrete module for use in the modular assembly.

Abstract: A modular assembly is provided for managing the flow of fluid beneath a ground surface. The assembly can feature a plurality of modules, each having a deck portion and opposing sidewalls extending downward therefrom. The opposing sidewalls can slope outward and away from one another as they extend downward from the deck portion. The modules further comprise a shoulder for supporting a link slab, and to support and separate modules that are stacked during transportation or storage. The sidewalls can define an interior fluid passageway having a flared configuration from top to bottom. The link slab and sidewalls of adjacent modules can define an exterior fluid passageway in fluid communication with a lateral fluid channel. A method is also provided for making a precast concrete module for use in the modular assembly.

Abstract: A bicycle chain replacement part holder. In an embodiment, the part holder is a generally parallelepiped shaped resilient urethane rubber block with slight notches at the corner suitable for releasably securing the part holder in an interference snap-in fit pattern with the interior perimeter walls of a part holder aperture in a chain linking tool. Alternately, the part holder may be provided for separate use in a stand alone fashion. In an embodiment, a thru hole aperture is provided in the parts holder for use with a securing device, such as a key chain, so that the parts holder can be reliably secured to a known location, especially in the event that the parts holder is not secured to and within a chain linking tool.

Abstract: A system and method for displaying an image for photographic reproduction operates to calibrate the brightness of the image display prior to each photographic reproduction in a manner that accounts for the variations in the brightness characteristics of the images of different scenes to be photographically reproduced.