A strip brush moving surface guard mounted on a fixed surface and projecting over the edge of the moving surface includes a base for the strip brush and an elongated holder secured to the fixed surface. The original and each replica is impressed on blocks in the same block position of separate frames. One of the two Bluetooth LO signals may then be used by a DDFS to generate I and Q LO signals for FM reception andor transmission. The close out assembly includes an end cap hingedly coupled at a first end to the first end of the ramp portion. In an exemplary embodiment, the ring oscillators are three-stage ring oscillators. The shaped nanoscale-to-microscale structure formed comprises an element, a metallic alloy, or a non-oxide compound.