Abstract: An illumination device for use with a safety marker to increase the visibility of said safety marker is described. The illumination device includes a generally circular and hollow bracket supporting an illumination source (e.g., bulb) and having at least one flange associated therewith. The flange of the bracket is shaped and positioned to removably fit between at least two protruding feet of a traditional safety marker without inhibiting the desired nesting or stacking feature of the safety marker. The illumination source may be powered by a variety of power sources (e.g., solar panel) and, when attached to the safety marker, provides illumination of the exterior surfaces of the body of the safety marker, thereby greatly increasing the visibility of the safety marker.

Abstract: A hardwood flooring system includes an upper layer of hardwood components and a subflooring unit composed of one or more layers of non-wood materials. One or more membranes separate the subflooring unit from the base material upon which the floor is installed and the upper hardwood layer, preventing the introduction of moisture to the vulnerable wood components of the upper layer from any layer below it. The relative positioning of the sublayer with respect to the upper layer and with respect to components of the sublayer, if more than one, acts to reduce or eliminate the damaging effects of negative forces experienced by the sublayers.