A method and an apparatus are provided for implementing a logic circuit with integrated logic and latch design. An implementation needs to provide objects that make up the model, some logic to listen to environmental changes and recognize when an update is needed, and a builder which can generate a lightweight version of the model based on the current \u201cstate of the world. The graphics pipeline renders and prepares images for display at least in part in response to polygon vertex attribute data and texel color data stored as a texture images in an associated memory. , and a barrier layer covering the buffer layer and contains a silicon oxide SiOx, wherein x is 0<x<2. The directional coupler splits the UHF VCO unequal power at different ports of the directional coupler to redistribute the power in different ports, thus preventing the TX signal from being reflected back to the RX signal. An inventory of post-consumption items that have RF tags associated therewith, respectively, is maintained by reading the RF tags to obtain categorization information stored thereon and maintaining the inventory of the post-consumption items based on the obtained categorization information.