A latch plate slides along a slide plate attached to the body of a refuse container. Each weighting value is stored as an alpha value in the alpha channel for the corresponding texel in the texture map. Thus, it can implement a local loop of TDM voice, reduce IP loop of RTP streams and efficiently reduces network resources such as steps for digital signal processing, echo elimination and etc. Converting emulates one or more first peer to peer communication links of the one or more first communication technologies as one or more second peer to peer communication links of the one or more second communication technologies. Another has the unequal lead screw formed into a perpendicular-to-axis cross-sectional shape that changes.