An alloying process resulting from the bonding, fracturing and rebonding of elemental and master alloy powders by mechanical impact. Non-metallic particles may be incorporated in the alloy by addition of the appropriate powders.
允许任意数量的独立数据设备直接相互通信；及 范围限于中等大小的地理区域（例如，办公楼、工厂、校园、仓库）。