An apparatus for locating an item at a node includes an item-specific location device disposed in association with the item and that includes a circuit that uniquely identifies the item. One embodiment of the invention includes using a two mask process. The invention further relates to genetic complements of plants of variety CH825920. % copolymers of propylene with one or more of ethylene and C4-C10 alpha-olefins, said copolymers having a Tm greater than 20\xb0 C.